Answer:
40 girls 20 boys i think / guess
Step-by-step explanation:
b
168
132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168
d =3√5
186.
You need 540 - (85 + 83 + 90 + 96)
= 540 - 354
= 186.