a. Write an equation or inequality to solve the problem. b. Find the answer Valery paid $64.89 for 7 CD's. What[..]

Find the mean of 7 numbers if the mean of the first 4 numbers is 5 and the mean of the last 3 numbers is 12. What is[..]

The peremiter of a rectangle is 300'. Its length is 4 times its width. Find the length.

Two clocks were set to show the same time this morning. But one of the clocks gains 2 minutes per hr and the other[..]

Larry Mitchell invested part of his $19,000 advance at 8% annual simple interest and the rest at 3% annual simple[..]

how many quarts of 4% milk and 1% milk should be mixed to yield 60 quarts of 2% milk?

Find how many quarts of 4% butterfat milk and 1% butterfat milk should be mixed to yield 60 quarts of 2% butterfat milk

Mary and Matthew work in a donut shop. When Mary works alone overnighjt, she makes all of the donuts for the next[..]

Mr. Moss can tile a kitchen floor in 8 hours. Ms. Senglin can tile the same floor in 6 hours. If they work together,[..]

Find how many quarts of 4% milk and 1% milk should be mixed to yield 60 quarts of 2% milk.