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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...

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...

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...

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

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?

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...

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....

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...

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.