Answer:
10
Step-by-step explanation:
Follow PEMDAS
5 (2+1) x 2 divided by 3
calculate within parenthesis
(2+1) : 3
5 x 3 x 2 divided by 3
multiply and divide (left to right)
= 10
* x = times sign
<span>Assuming that the red and blonde hair are considered the 3/8ths of the school with light hair, 270 children in the school have red or blonde hair.</span>
I think the answer is 156, I got this by multiplying 12 times 13.