Question

Annie buys some greeting cards. Each card costs

$
1
She pays with a twenty-dollar bill. Let
n
represent the number of greeting cards Annie buys. Write an expression that represents the amount of change Annie should receive.

Answer 1

Write an expression that represents the amount of change Annie should receive. The answer is 20-1 x g =c

Answer 2

19

Explanation:

Because 20-1=19