Use cross products to solve the proportion. 4
3
х
12
1. Use cross products:
2. Multiply:
(4)(12) = 3x
48 = 3x
3. Divide both sides by 3:
X

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4