Answer:
looking at anwser now
Step-by-step explanation:
72*12 = 2*2*2*2*2*3*3*3 = 2^5*3^3
X - Ollie's age
8 is subtracted from Ollie's age = x-8
the result is the same as
subtracting 16 from 3 times his age = 3x-16

Ollie is 4 years old.
Answer:
yor answer is 52
Step-by-step explanation:
54 rounded to the nearest 10 would be 50 because 54 is closer to 50 than 60.
So, the answer is 50.
Hope it helps