Gillian had 113 strawberry and banana muffins. After giving away
18 of her strawberry muffins and 23 of her banana muffins, she had an equal number of strawberry and banana muffins. How many banana muffins did she have at first?
| |
Strawberry muffins |
Banana muffins |
Total |
| Before |
8 u |
7 u + 23 |
113 |
| Change |
- 1 u |
- 23 |
|
| After |
7 u |
7 u |
|
Fraction of the strawberry muffins left
= 1 -
18=
78 The number of strawberry and banana muffins in the end is the same.
Total number of muffins at first
= 8 u + 7 u + 23
= 15 u + 23
15 u + 23 = 113
15 u = 113 - 23
15 u = 90
1 u = 90 ÷ 15 = 6
Number of banana muffins at first
= 7 u + 23
= 7 x 6 + 23
= 42 + 23
= 65
Answer(s): 65
