Gabby had 93 chocolate chip and blueberry tarts. After giving away
17 of her chocolate chip tarts and 15 of her blueberry tarts, she had an equal number of chocolate chip and blueberry tarts. How many blueberry tarts did she have at first?
| |
Chocolate Chip tarts |
Blueberry tarts |
Total |
| Before |
7 u |
6 u + 15 |
93 |
| Change |
- 1 u |
- 15 |
|
| After |
6 u |
6 u |
|
Fraction of the chocolate chip tarts left
= 1 -
17=
67 The number of chocolate chip and blueberry tarts in the end is the same.
Total number of tarts at first
= 7 u + 6 u + 15
= 13 u + 15
13 u + 15 = 93
13 u = 93 - 15
13 u = 78
1 u = 78 ÷ 13 = 6
Number of blueberry tarts at first
= 6 u + 15
= 6 x 6 + 15
= 36 + 15
= 51
Answer(s): 51
