Joanna is carrying her books to school in her backpack. Her library book weighs 3/8 of a kilogram. Her science book weighs 5/8 kilograms. How much do Joanna's book weigh altogether?

The solution of the equation 5 - 2x = - 4x - 7

Solve for x 3 (x+2) = 5x-7 give your answer as an improper fraction

A journey to work takes a women three quarters of an hour. if she catches the bus at 7:55, when does she arrive?

Name the set of numbers to which 1.68 belongs

Watz is one other way to name 1/3

Use the discriminate to determine the number and the nature of the solutions of the giving equation 2x^2 + 5x+7=0

A local university accepted 2,300 students out of 4,500 application for admission. What was the acceptance rate, expressed as a percent.

One cubic foot of sand weights 100 pounds. A square sandbox with 5-foot sides has half of a food of sand in it. How many pounds of sand is the sandbox holding?

10/7 divided by 4 What's the answer

Samuel wants to buy at least twice as many DVDs as CDs. CDs sell for $7 each, and DVDs sell for $12 each. Samuel can spend a maximum of $50. Let c represent the number of CDs, and let d represent the number of DVDs.