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?

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?

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

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 faster...

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

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...

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...

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...

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...

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 mileage...

At the start of a race two swimmers are swimming side by side in adjacent lanes of a pool whose lanes are 25 meters long. One swimmer, swimming at a rate of 60 meters per minute,...

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

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

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...

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 overtake...

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...

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

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...

Jorge was 2 times faster than Rosa when driving toward Lake Murray. In fact, Jorge drove the 162 miles to Lake Murray in 2 hours less than it took Rosa to drive 135 miles. How fast and long did each...

I am having a lot of trouble with this question. it is due by tomorrow so if you are reading this and it's past 8:00 on March 29th 2015 you don't have to answer

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