Gwen had 69 banana and chocolate chip wafers. After giving away
13 of her banana wafers and 24 of her chocolate chip wafers, she had an equal number of banana and chocolate chip wafers. How many chocolate chip wafers did she have at first?
| |
Banana wafers |
Chocolate Chip wafers |
Total |
| Before |
3 u |
2 u + 24 |
69 |
| Change |
- 1 u |
- 24 |
|
| After |
2 u |
2 u |
|
Fraction of the banana wafers left
= 1 -
13=
23 The number of banana and chocolate chip wafers in the end is the same.
Total number of wafers at first
= 3 u + 2 u + 24
= 5 u + 24
5 u + 24 = 69
5 u = 69 - 24
5 u = 45
1 u = 45 ÷ 5 = 9
Number of chocolate chip wafers at first
= 2 u + 24
= 2 x 9 + 24
= 18 + 24
= 42
Answer(s): 42
