There are some wafers in the jar. On Thursday, Japheth ate
35 of the wafers. He later bought 24 wafers and added into the jar. On Friday, Japheth ate 38 wafers. He was hungry and ate another 34 wafers. There were no wafers left. How many wafers were there in the jar at first?
|
Wafers |
Before |
5 u |
Change 1 |
- 3 u |
Change 2 |
+ 24 |
Change 3 |
- 38 |
Change 4 |
- 34 |
After |
0 |
Fraction of the wafers left after Japheth first ate on Thursday
= 1 -
35=
25Number of wafers left after Japheth first ate on Thursday = 2 u
2 u = 34 + 38 - 24
2 u = 48
1 u = 48 ÷ 2 = 24
Number of wafers at first
= 5 u
= 5 x 24
= 120
Answer(s): 120