There are some shortbreads in the jar. On Thursday, Luke ate
57 of the shortbreads. He later bought 26 shortbreads and added into the jar. On Friday, Luke ate 41 shortbreads. He was hungry and ate another 25 shortbreads. There were no shortbreads left. How many shortbreads were there in the jar at first?
|
Shortbreads |
Before |
7 u |
Change 1 |
- 5 u |
Change 2 |
+ 26 |
Change 3 |
- 41 |
Change 4 |
- 25 |
After |
0 |
Fraction of the shortbreads left after Luke first ate on Thursday
= 1 -
57=
27Number of shortbreads left after Luke first ate on Thursday = 2 u
2 u = 25 + 41 - 26
2 u = 40
1 u = 40 ÷ 2 = 20
Number of shortbreads at first
= 7 u
= 7 x 20
= 140
Answer(s): 140