Sandi can make a quilt in 11 days and Eva can make a quilt in 7 days. In how many days can they make a quilt[..]

To determine the number of fish in a lake, a park ranger caches 220 fish, tags them, and returns them to the lake.[..]

wind resistance or atmospheric drag tends to slow down moving objects. atmospheric drag varies jointly as an objects[..]

The coin box of a vending machine contains 6 times as many quarters as dimes. If the total amount of money in[..]

Janet is mixing a 15% glucose solution with a 35% glucose solution. This mixture produces 35 liters of a 19% glucose[..]

Wymon is 20 years older than Sabrina. In 8 years, Wymon will be twice as old as Sabrina. How old is Sabrina now?

A vendor had $50.00 on the first day. He lost $28.00 on the second day. He then gained $49.00 on the third day. How[..]

a rectangle of perimeter 48 miles has a length which is 4 miles more than the width. find the length and width.

For a chemistry experiment Laura needs 300 ml of a 15% sulphuric acid solution. The Science Department has[..]

The sum of the ages of Trevor and Bria is 76 years. 11 years ago, Trevor's age was 2 times Bria's age. How old is[..]