Answer:
-4 + 1
10 - 13
-1 x 3
-9/3
Step-by-step explanation:
It's right there in the question, staring back at you. " /100 " means "percent". "20/100" means "20 percent".
Joe is correct because Moe could choose two pieces but had a nine piece variety where as Joe could only choose from 7 pieces of candy