A bus driver filled up 7/8 fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. How much fuel did she use for the trip? Express your answer as decimal.

Please help BJ
Thank you

3 answers

0.875 * 70 = 61.25

0.857 * 61.25 = 52.49 gallons
Ms. Sue, what is the process should I do?
Do I do both process or only one