Wendy had 117 banana and cranberry muffins. After giving away
17 of her banana muffins and 13 of her cranberry muffins, she had an equal number of banana and cranberry muffins. How many cranberry muffins did she have at first?
| |
Banana muffins |
Cranberry muffins |
Total |
| Before |
7 u |
6 u + 13 |
117 |
| Change |
- 1 u |
- 13 |
|
| After |
6 u |
6 u |
|
Fraction of the banana muffins left
= 1 -
17=
67 The number of banana and cranberry muffins in the end is the same.
Total number of muffins at first
= 7 u + 6 u + 13
= 13 u + 13
13 u + 13 = 117
13 u = 117 - 13
13 u = 104
1 u = 104 ÷ 13 = 8
Number of cranberry muffins at first
= 6 u + 13
= 6 x 8 + 13
= 48 + 13
= 61
Answer(s): 61
