Step-by-step explanation:

It is increase, because 15 is less than 18. Other way around, if the question is 18 to 15 yards, then that would be decrease, because it is getting smaller.
she used GF=2BG,but the statement is correct BG=2GF
20$ divided by 8.7 gallons=$2.30
30$ divided by 12.4 gallons=$2.41
Yola got the better deal
Answer:use money she planned to spend on her medical bills to pay her credit card