Question

Paperback sell for$2 and hardcover books sell for $4 at the library book sell. The library made $98 at the sell. there were 25 paperback books sold.write and solve an equation to find how many hardcover books were sold.

Answer 1

2p + 4h = 98
And 25 paperbacks were sold, so
2(25) + 4h = 98
And then you solve for h..
4h = 48
h=12