Hot Dog Stand
Solution
Amy sold 37 hot dogs in all.
Brad sold 39 hot dogs in all.
Jake sold 34 hot dogs in all.
Explanation
| Amy | Brad | Jake | |||
| 22 | plain | 25 | plain | 21 | plain |
| +15 | with mustard | +14 | with mustard | +13 | with mustard |
| 37 | in all | 39 | in all | 34 | in all |
