Tammy had 93 cheese and banana muffins. After giving away
13 of her cheese muffins and 18 of her banana muffins, she had an equal number of cheese and banana muffins. How many banana muffins did she have at first?
| |
Cheese muffins |
Banana muffins |
Total |
| Before |
3 u |
2 u + 18 |
93 |
| Change |
- 1 u |
- 18 |
|
| After |
2 u |
2 u |
|
Fraction of the cheese muffins left
= 1 -
13=
23 The number of cheese and banana muffins in the end is the same.
Total number of muffins at first
= 3 u + 2 u + 18
= 5 u + 18
5 u + 18 = 93
5 u = 93 - 18
5 u = 75
1 u = 75 ÷ 5 = 15
Number of banana muffins at first
= 2 u + 18
= 2 x 15 + 18
= 30 + 18
= 48
Answer(s): 48
