How can you tell that a fraction is a unit fraction? (can't any fraction be a unit fraction?)

A collection of 30 coins worth $5.50 consists of nickels, dimes and quarters. There are twice as many dimes as nickels. How many quarters are there?

The length of a rectangle is 7cm less than twice it's width. If the area is 30 sq. cm, find the dimensions

Fiona bought p pens for $1.19 each. write an expression for the cost of all the pens

Mary can buy 12 oranges at store A for $3.84 and 15 oranges for $5.00 at store B. Which store has the better unit cost?

Evaluate the expression when p = 9.3 and q = - 2.1. p - 3q a. 15.6 b. 3.0 c. - 13.2 d. - 15.6 My answer is D

The library is having a contest to guess the number of candy pieces of candy in a jar. Johns guess of three times the number of candy pieces in the jar increased by 100 is lower than Keisha's guess of 250 less than twice the number of candy pieces.

A roller coaster carries riders up a ramp that is 39 meters long

A $750 television is on sale for 30% off. There is a 7% sales on the television. How much do you pay?

A rectangular prism has a height of 8 feet and a volume of 640 feet what is the area of the base of the prism

2. If y varies inversely as x and y = 3 when x = 5, find x when y = 2.5