Question

Sue has four $20 bills in her wallet. She needs $200 in cash to buy a new MP3 player. How many more $20 bills does Sue need to buy the MP3 player?

Answer 1

She has 4 times $20 bill, so 4 * $20 =$80
How many $20 dollars bill she will need ?
$200 divide by $20 = 10
so she needs 10 times $20 dollars bill