Answer:
7 children
Step-by-step explanation:
$505-$115= $390
$390÷$65= 6
6+1= 7
(6x^2+1) • (2x^2+3) =
12x^4 + 18x^2 + 2x^2 +3 =
12x^4 + 20x^2 +3
6.5 / 12 = x / 24
x = 6.5 × 24 / 12
x = 6.5 × 2
x = 13