Answer:
Need more info
Step-by-step explanation:
Without any calculations it's evident it can't be neither B (both numbers are even, so they're divisible by 2) nor C (the numbers end in 0 and 5, so they're divisible by 5).
A.

Both numbers have a factor of 3, so they're not relatively prime.
That means it must be D. But, let's check it.

Indeed, those two numbers are relatively prime.
Answer:
What is the question?
Step-by-step explanation:
Answer:
95%
Step-by-step explanation:
Difference / Original x 100
76/80 x 100
95%
Th answer is 3/5. Divide by the GCF (10) to get 3/5