Answer:
80
Step-by-step explanation:
boys : girls
4 : 5
multiply by 4
16 : 20
<u>total = 36</u>
hundreds
C
(7b-4) + (-2b+a+1)
= 7b - 4 - 2b + a + 1
=7b - 2b + a - 4 + 1
=5b + a - 3
2nd option.
i dont see no angle
