There are some muffins in the jar. On Monday, Fred ate
13 of the muffins. He later bought 25 muffins and added into the jar. On Tuesday, Fred ate 48 muffins. He was hungry and ate another 37 muffins. There were no muffins left. How many muffins were there in the jar at first?
|
Muffins |
Before |
3 u |
Change 1 |
- 1 u |
Change 2 |
+ 25 |
Change 3 |
- 48 |
Change 4 |
- 37 |
After |
0 |
Fraction of the muffins left after Fred first ate on Monday
= 1 -
13=
23Number of muffins left after Fred first ate on Monday = 2 u
2 u = 37 + 48 - 25
2 u = 60
1 u = 60 ÷ 2 = 30
Number of muffins at first
= 3 u
= 3 x 30
= 90
Answer(s): 90