Question

Word problem: Abe brought 3 dozen ping-pong balls. The next day the balls went on sale for $1.50 off per dozen. George bought 4 dozen balls at the sale price and paid only $2.00 more than Abe. What was the original cost of a dozen ping-pong balls?

Answer 1

Let x be the original cost of the ping-pong ball per dozen then,
3x+2.00 = 4(x-1.50)

Answer 2

Solve for x

Answer 3

got it?

Answer 4

yes

Answer 5

$2.50 per dozen?

Answer 6

\[(4^{x-3})^{2} x 4^{x+5}x4\]