Yesterday, Justin had 64 shortbreads and 19 puffs. This morning, he sold 23 shortbreads and bought some more puffs. Now he has twice as many puffs as shortbreads. How many puffs did he buy today?
| |
Shortbreads |
Puffs |
| Before |
64 |
19 |
| Change |
- 23 |
+ ? |
| After |
1 u |
2 u |
Number of shortbreads in the end
= 64 - 23
= 41
1 u = 41
Number of puffs in the end
= 2 u
= 2 x 41
= 82
Number of puffs that Justin bought today
= 2 u - 19
= 82 - 19
= 63
Answer(s): 63
