At a particular music store, CDs are on sale at $13.00 for the first one purchased and $10.00 for each additional disc purchased. Maria spends $83.00 on CDs. How many CDs has Maria purchased?

A Jewelry Company sells a bracelet and gives customers the option to purchase charms to add to the bracelet. The expression 60+25x represents the cost of the bracelet for x charms added to the purchase. What does 25 represent in the expression?

Rocky finished a 200-meter race in 5/12 of a minute. The winner finished 21/25 of Rocks time to finish the race. How much time did the winner use to finish the race

Duane bought 63 3/4 inches of chain for an art project. How many 15 inch chains can he make from it?

Solve the following equation by using the distributive property: 5 (x - 4) = 6

Mia buys 3 gallons of gas that cost d (variable for dollars) dollars par gallon. Bob buys g (variable for gallons) gallons of gas that cost 3 dollars per gallon A. write an expression for the amount Mia pays for gas B.

The radar operator at an airport control tower locates two planes flying toward the airport at the same altitude. One plane is 120km away from the airport at a bearing of North 70 degree East.

The scale of a model a airplane is 3cm to 1.02m. the model is 20cm long how is the real plane.

What are the lengths of the sides of a triangle with vertices at (-3,4), (1,7), and (13,2) ? List your answers in order from least to greatest, like this: 42, 53, 64

How do you solve for x for 9efx+4e=6f+2ef

The surface areas of two similar solids are 340 yd2 and 1,158 yd2. The volume of the larger solid is 1,712 yd3. What is the volume of the smaller solid?