If you know the radius of the circle do radius times 2.
Answer:
500 students in the school
Step-by-step explanation:
100 - 68% = 32%
boys percentage 68%
girls percentage 32%
difference 68 - 32 = 36% = 180
36 ÷ 18 = 2 × 50 = 100
180 ÷ 18 = 10 × 50 = 500
6x + 2y = 18
2y = -6x + 18
y = -3x + 9
I can't answer this because I don't know what she was starting with