Andrew drove 100 miles at an average speed of 50 mph. He then increased his speed by 20% and drove another 30 miles. What was the average speed for the entire journey?

In a physics problem, rate is inversely related to time for a given distance. When time is 4 hours, rate is 42 miles per hour. Find the rate when time is 6. Now, find the time when rate is 54 mph.

Sarah drives 55 miles at 60mph. Then she drives for 6 hours at 48mph. Find her average rate.

On Monday, Anna starts pouring water into a bucket at a rate of 4 cubic meters per second. Twenty seconds later, Bella starts pouring water into the same bucket at a rate of 5.5 cubic meters per second. How many seconds after Anna starts will the amount of water in the bucket equal or exceed[…]

Rebecca drives 50 miles at 20mph and 70 miles in 2 hours. Find her average rate.

A blue car and a red car start in the same location but proceed in opposite directions. The red car travels at 62mph and the blue car travels 48 mph. After how long will they be 2400 miles apart?