There are some shortbreads in the jar. On Friday, Glen ate
57 of the shortbreads. He later bought 28 shortbreads and added into the jar. On Saturday, Glen ate 44 shortbreads. He was hungry and ate another 32 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 |
+ 28 |
Change 3 |
- 44 |
Change 4 |
- 32 |
After |
0 |
Fraction of the shortbreads left after Glen first ate on Friday
= 1 -
57=
27Number of shortbreads left after Glen first ate on Friday = 2 u
2 u = 32 + 44 - 28
2 u = 48
1 u = 48 ÷ 2 = 24
Number of shortbreads at first
= 7 u
= 7 x 24
= 168
Answer(s): 168