Carlos is saving up to buy two new books. He has saved 60% of the cost of one book costs $18 and 30% of the costs of another book that costs $21. How much more does he need to save?

Gavin agrees to buy a 6 month package deal of monthly gym passes, and in turn receives a 15% discount. Write an algebraic expression to represent the total cost of the monthly passes with the discount, if X represents the cost of each monthly pass.

Find the missing number 1:2=3? answer: a. 2 b. 6 c. 3 d. 1

If you run 1/2 miles on Friday, 2/3 of a mile Saturday, how many miles will you run on sunday

There are 3 cans that store 9 tennis balls. Consider the number of balls per can

Exmpales of monomails

A chef knows that ground beef used for hamburger is safe to eat once it reaches 160 degrees Fahrenheit. For optimized taste and safety, he will not allow a hamburger cooked to a temperature under 160 degrees or over 170 degrees to be served.

Find the unit rate 322 miles on 14 gallons of gas

Factor the expression x^{2} + 4x-21

Consider two boxes, one containing one black and one white marble, the other, two black and one white marble. a box is selected at random and a marble is drawn at random from the selected box. what is the probability that the marble is black? 37.

If runners in a long distance race were to run straight from the starting line to the finish line they would run 13 kilometers. However, the road they run makes them travel longer than that.