28% decrease
Solution:
Calculate percentage change
from V1 = 25 to V2 = 18
(V2−V1)|V1|×100
=(18−25)|25|×100
=−725×100
=−0.28×100
=−28%change
=28%decrease
Answer: 
Step-by-step explanation:
In the geometric sequence we can see each time we are dividing by 5. That is the same as multiplying by so that is the common ratio.
21 because you have to have at least 1 side as 3m so the other two should be 9m to have the greatest possible length
In order to find out how much they both each pay, you would have to put two places in front of the percentage of the payment.
