79 Answered Questions for the topic Rates


Given that 16 watermelons cost $48, which of these are equivalent ratios of number of watermelons to cost in dollars? Select all the correct answers. 3:9 16:48 48:16 1:3 3:1

3:9 16:48 48:16 1:3 3:1 Which of these are matching? (TIP) There is more than one answer!


How many children and how many adults were admitted?

The admission fee at an amusement park is $3.50 for children and $6.80 for adults. On a certain day, 287 people entered the park, and the admission fees collected totaled 1582 dollars.
Rates Calculus


How fast must she let out the string when the kite is 500ft away from her?

A girl flies a kite at a height of 300 ft, the wind is carrying the kite horizontally away from her at a rate of 25ft/sec.

Exponential Function models annual rate of increase.

The exponential function models the annual rate of increase. Find the monthly and quarterly rates. f(t)=2000(1.03)^t


Solving a Problem

Tammy, working alone, could clean one-half the area in one hour. Her partner, Melissa - working alone - could clean one-third of the area in one hour. During the contest when they work... more


What is the ratio for 480 ml in 8 hours

Math ratio it hard

Ratio Word Problem

The Eagles have won 40% of their games at one point in the season. They play 15 more games, winning 10 and losing 5. They have an exact 50-50 win-loss record at the end of the season. How many wins... more


% Increase when changing rates on 2 tanks

I have 2 tanks (#1 & #2), #1 is draining milk at 1473 L/day, #2 is draining milk at 1337 L/day. If i change tank #1 to drain at 826 L/day and #2 to drain 481 L/day, how many Litres am I saving... more
Rates Ratios


HELP! I don't understand the formula my teacher wants us to use, so I am just trying to figure it out any way I can!

QUESTION: You are using dirt to fill a planter box, and you use 920 grams of dirt to fill 8 inches of the planter box how many inches can you fill using 48.3 KILOGRAMS of dirt


sanjay can travel 342 miles in 6 hours. At this rate, how far can he travel in 5 hours

i need this problem done please


in 8 hours, alonzo reads 40 chapter of a book.What is his rate in chapter to hours?

 no additional details

Derivatives - find the rate at which the diameter is increasing when the diameter is 20cm

A spherical balloon is being inflated so that its volume is increasing at the rate of 10cm3/sec. Find the rate at which the diameter is increasing when the diameter is 20cm.
Rates Derivatives


A man of height 1.5m walks away from a 5-meter lamppost at a speed of 2.7m/s.

Find the rate at which his shadow is increasing in length in m/sec.


If an airplane travels at a constant rate of 300 mph, what is speed going into a 25 mph wind

Rates and time
Rates Unit Rate


what's the rate and unit rate for 72 calls in 12 hours?

Please anwser right away pleaseee. Thanks if u can :)


Investment rate word problem

Clarence invested $5,000 in Amazon and $3,000 in Google. At the end of the year Clarence earned $1,500 in interest. What interest rate did Clarence receive for each stock if Amazon’s rate was half... more


What is a unit rete and how do you solve percents

I need help woth knowing an easy way to solve percents and unit rates. Especially when we have different units


Jim began a 96 mile bike ride.It took 4 hours. If Jim walks at a rate of 4 mph and rides at a rate of 36mph, find the amount of time spent on the bike

Jim's bike chain broke so he finished the trip walking.


A certain map uses a scale of 1inch equals 25 miles. How many miles are represented by 5 inches on this map?

Trying to solve rate problems.  Need help.  
Rates Interest


How much interest will you pay? How much will the car actually cost you after interest

You just borrowed $23,450 to purchase a Toyota Corolla. The interest is compounded annually at 1.5%. You have three years to pay back the loan.
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