Question

Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. What equation in standard form determines the numbers of hardcover books x and paperback books y he can buy?.

Answer 1

x = 2

y = 5

Explanation:

when you think of how many times 5 can go into 10 it is 2

then think of how many times 2 can go into 10 which is 5

then you add the two and it equals 20$