Answer:
At least 7 girls: 0.5^7 OR 0.0078125
At least 8 girls: 0.5^8 OR 0.00390625
Answer: no solution
Step-by-step explanation:
7x + 5 + 5x = 15x - 7 - 3x + 2
12x + 5 = 12x - 5
-12x -5. -12x -5
0 = -10
no solution
250%