A used-car dealership buys a car for $2800 and then sells it for $4000. What is the percent increase?

16 - 2z-4/3 when z=18

A clothing store is selling a shirt for a discounted price of $43.61. If the discount is 11%, what was the original price, in dollars, of the shirt? Do not include units in your answer.

The bill in a restaurant totaled to $45.50. We wanted to give a tip of 20%. How much money did we pay altogether.

How do you write 20484163 in different forms

56+34=n+30? Do you add 56+34 = 90-30=60 n=60?

A pair of socks costs $5.00. A package of 3 pairs costs $12.00. How much would you save if you buy 2 packages instead of 6 individual pairs?

A right triangle ABC is shown below: A right triangle ABC with height AB labeled 3 units and base BC labeled 5 units is shown. The area of the triangle above will equal one half of a rectangle that is 5 units long and __ units wide.

Peter has only quarters and dimes in his coin collection. If he has three times as many quarters as dimes, which is an expression for the number of quarters he has in terms of the number of dimes?

An airplane traveled 11,760 miles in 21 hours. On average, how many miles per hour did it fly?

Multiply. (x - 6) (5x - 4)