Rebecca drives 50 miles at 20mph and 70 miles in 2 hours. 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[…]

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

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.

Two numbers sum to 18. The sum of their squares is 212. Find the smaller number.

The area of a rectangle is 128 square inches. The perimeter is 48 inches. Find the dimensions.