There are some biscuits in the jar. On Wednesday, Will ate
35 of the biscuits. He later bought 24 biscuits and added into the jar. On Thursday, Will ate 42 biscuits. He was hungry and ate another 38 biscuits. There were no biscuits left. How many biscuits were there in the jar at first?
|
Biscuits |
Before |
5 u |
Change 1 |
- 3 u |
Change 2 |
+ 24 |
Change 3 |
- 42 |
Change 4 |
- 38 |
After |
0 |
Fraction of the biscuits left after Will first ate on Wednesday
= 1 -
35=
25Number of biscuits left after Will first ate on Wednesday = 2 u
2 u = 38 + 42 - 24
2 u = 56
1 u = 56 ÷ 2 = 28
Number of biscuits at first
= 5 u
= 5 x 28
= 140
Answer(s): 140