Answer:
7 children
Step-by-step explanation:
$505-$115= $390
$390÷$65= 6
6+1= 7
RT = 20, BT = 19, US = 9
You calculate the other letters: IR only R is 2, UT, T = 0 and B = 1. US, U = 0 and S = 9.
B
The answer would be B)