Question

Christy bought a hotdog for $3 and some nachos for $4. She gave the cashier $20.

How much change should Christy get back?  

Answer 1

im assuming this is the joshua one. so the answer would be 140. i wouldnt take my word, so look at some of the other answers if there is. i hope this helps you.

Answer 2

3+4 = 7
20-7= 13
she should get 13$ back