A 13-oz iced tea at a certain restaurant has 78 calories. How many calories are there in a 21-oz iced tea?

Three friends each pack a bag for a trip. Mandy's bag is 20% heavier than Kathleen's bag. Donna's bag is 25% lighter than Kathleen's bag. By what percent is Mandy's bag heavier than Donna's bag?

when a number is subtracted from 6, the result is two times five less than the number. find the number?

If x and y are positive integers, is x - y always positive? Explain.

Raina brought a table for 627 the price was 35%less than the original price

Omar says that the least common multiple of 9 and 6 is 54. Which is true about Omar's statement?

A restaurant offers a lunch special for $15 plus a $3 tip for the server. Write an expression that represents the total cost for the special in 2 different ways.

18*0.25 using expanded form

The diameters of a circle is 6 centimeters. What is the circles circumference? use 3.14 for n

Answer to this math problem

A computer company has a special going in which all customers receive a free monitor and scanner with the purchase of a new computer. It costs the company $393.29 to make each computer, $151.44 to make each monitor, and $46.39 to make each scanner.