There are some shortbreads in the jar. On Tuesday, Jack ate
411 of the shortbreads. He later bought 26 shortbreads and added into the jar. On Wednesday, Jack ate 46 shortbreads. He was hungry and ate another 29 shortbreads. There were no shortbreads left. How many shortbreads were there in the jar at first?
|
Shortbreads |
Before |
11 u |
Change 1 |
- 4 u |
Change 2 |
+ 26 |
Change 3 |
- 46 |
Change 4 |
- 29 |
After |
0 |
Fraction of the shortbreads left after Jack first ate on Tuesday
= 1 -
411=
711Number of shortbreads left after Jack first ate on Tuesday = 7 u
7 u = 29 + 46 - 26
7 u = 49
1 u = 49 ÷ 7 = 7
Number of shortbreads at first
= 11 u
= 11 x 7
= 77
Answer(s): 77