The 2nd one is right
112.5 divided by 15 is 7.5
You know

Squaring both sides gives

Then raising both sides to any integer power
gives

That is, any power of
where the power is a multiple of 4 will always be equal to 1.
So

But perhaps you mean to write 20+1 as the exponent, in which case

1/3 + 7/15 =
4/5
Therefore the answer is 4/5. So Kenneth did 4/5 of his laundry in total.
Hope this helps!
Answer:
its c
Step-by-step explanation: