104 Answered Questions for the topic rate

Rate Equations

09/24/16

#### rate distance and time

A motorboat takes 4 hours to travel 128km going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Rate

09/22/16

#### Finding the rate of a drilling of 968 feet

A mining drill can dig a hole 968 feet below ground level in about 44 minutes. Find the rate at which the hole is being drilled. What is the meaning of the sign of the answer?

Rate

09/15/16

#### find the rates

Justin drove to visit his parents 864 miles away. on his way there his speed was 21 miles per hour faster than on his way home. if Justin spent no more than 24 hours driving. find the two...
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Rate

08/31/16

#### Rate and work

A teacher has 3 hours to check all the papers submitted by 35 students. She gets through the first 5 papers in 30 minutes. How much faster does she have to work to check the remaining papers in the...
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Rate

07/21/16

#### Can someone show me step by step on how to get the rate of something?

Can someone show me step by step on how to get the rate of something?

Rate Algebra 1

04/22/16

#### Two investments totaling $53,500 produce an annual income of $4030. One investment yields 10% per year, while the other yields 4% per year. How much is invest

Two investments totaling $53,500 produce an annual income of $4030. One investment yields 10% per year, while the other yields 4% per year. How much is invested at each rate?

Rate

04/18/16

#### A boeing 747 can cruise the skies at 570 mph. How far can it fly in 9/8 hours?

A boeing 747 can cruise the skies at 570 mph. How far can it fly in 9/8 hours?

Rate

04/16/16

#### Passenger train made trip in 3 hrs Freight train made it in 7 hrs find the rate of each

The passenger train made the trip in 3 hours and the freight train made the same trip in 7 hours find the rate of each train if the freight train was 40 miles per hour less than the rate of the...
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Rate

02/26/16

#### what is her speed?

A freight train operator knows that on a 200 mile trip, if the freight cars aren't fully loaded, she can save 1 hour of travel time by increasing her normal speed by 10 miles per hour. What's her...
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Rate

02/26/16

#### i don't understand this

There are many ways to defrost a turkey. One way is to let it thaw slowly in the refrigerator, at a thaw rate of about 4 pounds per day. Another way is to submerge the turkey in cold water, which...
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#### 2 cities are 41.2 km apart. vehicla A leaves one city at the same time Vehicle B leaves the other. Find the speed of Vehicle A if it travels 7.80 km/h faster

than Vehicle B. determine if they will pass eachother in 12.9 minutes. round to 3 significant digits

#### It took Samantha 324 minutes to cook a turkey. if the turkey weighs 18 pounds, how many minutes per pound did it take to cook the turkey?

I know this is unit rate but I am not quite confident in my answer. Which is 18 minutes per pound. Which all I did was divide. I need to find out how many pounds she cooked that turkey. HELP? 7th...
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Rate

02/08/16

#### Rate problem

Barney was charged $111 for 3 days and 300 miles, while Mary was charged $197 for 5 days and 600 miles. What does the rental company charge per day and per mile if they charge a daily fee plus a...
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12/30/15

#### word problem

Totsakan left the airport and traveled toward the ferry office. Amanda left one hour later traveling at 36 mph in an effort to catch up to Totsakan. After traveling for five hours, Amanda finally...
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Rate

11/29/15

#### The country of Benin in West Africa has a population of 9.05 million people. The population is growing at a rate of 3.1% each year. Population in 7 years?

i don't understand this question and I need u to help me with this

Rate

11/12/15

#### Gina makes beaded brackets. In 3/4 hr, she can make 2/3 of a bracelet. What's Gina's rate?

I am not really understanding the whole concept of rates and how to divide them, like divide what number by what number.

Rate

10/15/15

#### Really Need help with this problem!!!!!!

Every day Sally saved a penny, a dime, and a quarter. What is the least number of days required for her to save an amount equivalent to an integral number of dollars?

Rate

10/05/15

#### Swimmers in lanes

At the start of a race two swimmers are swimming side by side in adjacent lanesof a pool whose lanes are 25 meters long. One swimmer, swimming at a rate of 60 metersper minute, pulls ahead of the...
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10/02/15

#### The Cunninghams are moving across the country (r)(t)=d

The Cunninghams are moving across the country. Mr. Cunningham leaves 2.5 hours before Mrs. Cunningham. If he averages 40 mph and she averages 65 mph, how long will it take Mrs. Cunningham to...
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09/27/15

#### Word Problem help

A population is 25,000 in year t = 0 and grows at a continuous rate of 7.5% per year. Find a formula for P(t), the population in year t

Rate

09/18/15

#### rate speed

A boat can travel 29 mph in still water. If the boat can travel 100 miles with the current in the same time it can travel 80 miles against the current, find the rate of the current r in miles per...
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Rate

09/18/15

#### find the average speed of the boat relative to the water

Meg rode her boat upstream a distance of 72 miles and then rowed back to the starting point. The total time of the trip was 18 hours. If the rate of the current was 3 mph, find the average speed of...
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Rate

06/17/15

#### You invest $20,000 in two accounts paying 7% and 9% annual interest, respectively. If the total interest earned for the year is $1,550, how much was invested at

You invest $20,000 in two accounts paying 7% and 9% annual interest, respectively. If the total interest earned for the year is $1,550, how much was invested at each rate?

Rate

05/17/15

#### Paige jumped into the Savannah River to rescue her dog, Lance.

She was travelling with the current at 8 m/s when she realized that Lance was actually upstream. She turned around and started swimming at the same rate against the current and traveled at 3 m/s....
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Rate

04/27/15

#### Brian drove miles in hours. At the same rate, how long would it take him to drive miles?

There are no more details about the question.

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