Shiyun had 77 cheese and strawberry croissants. After giving away
15 of her cheese croissants and 14 of her strawberry croissants, she had an equal number of cheese and strawberry croissants. How many strawberry croissants did she have at first?
| |
Cheese croissants |
Strawberry croissants |
Total |
| Before |
5 u |
4 u + 14 |
77 |
| Change |
- 1 u |
- 14 |
|
| After |
4 u |
4 u |
|
Fraction of the cheese croissants left
= 1 -
15=
45 The number of cheese and strawberry croissants in the end is the same.
Total number of croissants at first
= 5 u + 4 u + 14
= 9 u + 14
9 u + 14 = 77
9 u = 77 - 14
9 u = 63
1 u = 63 ÷ 9 = 7
Number of strawberry croissants at first
= 4 u + 14
= 4 x 7 + 14
= 28 + 14
= 42
Answer(s): 42
