Yesterday, Ahmad had 62 biscuits and 37 tarts. This morning, he sold 40 biscuits and bought some more tarts. Now he has twice as many tarts as biscuits. How many tarts did he buy today?
| |
Biscuits |
Tarts |
| Before |
62 |
37 |
| Change |
- 40 |
+ ? |
| After |
1 u |
2 u |
Number of biscuits in the end
= 62 - 40
= 22
1 u = 22
Number of tarts in the end
= 2 u
= 2 x 22
= 44
Number of tarts that Ahmad bought today
= 2 u - 37
= 44 - 37
= 7
Answer(s): 7
