There are some tarts in the jar. On Wednesday, Harry ate
17 of the tarts. He later bought 30 tarts and added into the jar. On Thursday, Harry ate 41 tarts. He was hungry and ate another 37 tarts. There were no tarts left. How many tarts were there in the jar at first?
|
Tarts |
Before |
7 u |
Change 1 |
- 1 u |
Change 2 |
+ 30 |
Change 3 |
- 41 |
Change 4 |
- 37 |
After |
0 |
Fraction of the tarts left after Harry first ate on Wednesday
= 1 -
17=
67Number of tarts left after Harry first ate on Wednesday = 6 u
6 u = 37 + 41 - 30
6 u = 48
1 u = 48 ÷ 6 = 8
Number of tarts at first
= 7 u
= 7 x 8
= 56
Answer(s): 56