I am not really understanding the whole concept of rates and how to divide them, like divide what number by what number.
I am not really understanding the whole concept of rates and how to divide them, like divide what number by what number.
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,...
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 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
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...
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...
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?
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
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....
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...
There are no more details about the question.
Two jets leave an air base at the same time and travel in opposite directions. One jet travels 83 mph slower than the other. If the two jets are 6005 mi apart after 5 hours, what is the rate of each...
Wendy and Rick left the library at noon and cycled 480 meters to the town hall. Wendy cycled at a speed of 80 meters per minute. Ricks speed was 20 meters per minute slower than Wendy's. After cycling...
answer must be in miles
The distance between Milltown and Summerville is 3.5 inches on a map. If the map scale is 1 inch=20 miles, what is the actual distance between the towns? Please help. Than you.
Sally can fold 15 bed sheets in 4 minutes. Eric can fold 12 bed sheets in 5 minutes. Jane can fold 7 bed sheets in 2 minutes. How long would it take all three to fold 386 bed sheets? a...
If 8 men can plough a field in 9 hours, how long would it take 18 men at the same rate?
One type of granola is 30% fruit and another type is 15% fruit. What mass of each type of granola should be mixed to make 600g of granola that is 21% fruit?
The steamboat River Queen travels at the rate of 30km/h in still water. If it can travel 45km upstream in the same amount of time that it takes to go 63km downstream, what is the rate of the current...