Luke had a total of 131 blue and gold stars. After giving away
56 of the blue stars and 68 gold stars, there was an equal number of blue and gold stars left. How many blue stars did he have at first?
|
Blue stars |
Gold stars |
Total |
Before |
6 u |
1 u + 68 |
131 |
Change |
- 5 u |
- 68 |
|
After |
1 u |
1 u |
|
Total number of stars at first
= 6 u + 1 u + 68
= 7 u + 68
7 u + 68 = 131
7 u = 131 - 68
7 u = 63
1 u = 63 ÷ 7 = 9
Number of blue stars that Luke had at first
= 6 u
= 6 x 9
= 54
Answer(s): 54