Answer:
A is correct
Step-by-step explanation:
You have to find the rate of change for each one.
Divide the price with the amount
Hope this helps!
I'm doing fine, how are you?
The GCF for 84 and 90 is 6.
The factors of 84 are: 1, 2, 3, 4, <u>6</u>, 7, 12, 14, 21, 28, 42, 84
The factors of 90 are: 1, 2, 3, 5, <u>6</u>, 9, 10, 15, 18, 30, 45, 90
Then the greatest common factor is 6.
