Answer:
26.25-7.50 = 18.75
18.75/6.25= 3
She golfed for 3 rounds
Step-by-step explanation:
20 gallons
105/15=7
7*20=140
8th term is 179.15904
The sequence is geometric with a common ration = 6/5
r = 60/50 = 72/60 = 6/5
Use the formula
In your case a = 50, r = 6/5 and n = 8
B
sorry if i am wrong