David's net pay for a week at the video store was $61.23 If he worked 13 hours that week, what was his net pay rate?

A sister is 6 years elder to her brother. Two-third of the sister's age s 3years more than three-fourth of her[..]

Dan can dig a hole in 7 hours. Shelly can dig a hole in the same room in 4 hours. How long will it take them if they[..]

A 21 oz. bag of mixed nuts contains 29% peanuts. To make this mixture product they combine a mix of nuts which[..]

if 2 is subtracted from one third of a certain number, the difference is equal to the sum of 3 and one fourth of[..]

Gretchen invested $1000 in a certificate of deposit (CD) that paid interest at a rate of 9% per year. How much was[..]

Two round fountains are similar. One measures 6'2" across and the other measures 9'11" across. Find the scale factor[..]

The area of a rectangle is 49 inches squared. Express the perimeter as a function of the width w, and state the[..]

A dehydrated patient needs a 6.1% saline IV. Unfortunately, the hospital only has bags of 5% and 7% saline[..]

A university bookstore recently sold a wirebound graph-paper notebook for $2.64, and a college-ruled notebook for[..]