You own a hobby store and you have to purchase some model cars. The sports cars cost $4 more than the classic cars. You buy 15 classic cars and 12 sports cars. You spend a total of $196.50. What's the cost of the classic and sports cars?

Solve the equation 5x+7=9x-17

the table shows miles driven by a car and the gallons of gas used to drive those miles. how many miles did the car travel on a gallon of gas?

On a map, the distance between Jack's Peak and Jill's Hill is 3.75 inches. According to the scale, 1.5 inches represents 8 miles. How far apart are the destinations?

What 2 fractions are equal to 4/10

The numbers 1-5 have been placed in a basket. What is the probability of drawing number 3, NOT replacing it, and then drawing an even number?

How can you find a fraction between the fractions 14/20 and 15/20

Discriminants of b^2+5b-24

Lamont designs a survey of town residents in an attempt to predict who will be elected mayor. He chooses his sample of 500 people from the town's 40,000 residents by asking his question to every person leaving the public library on a Saturday.

The product of 7 and m

Simplify the question. 1/4g plus 6g minus 2/3