Question

Ryan collects rainwater in a barrel for his garden. The barrel is filled with 12 gallons of water. Ryan used 7.4 gallons to water his garden in June and 2 and one eighth gallons in July. How much water is left in the barrel?

2.125 gallons

2.138 gallons

2.475 gallons

17.275 gallons

Answer 1

2.475 gallons

Explanation:

12 gallons of water

1/8 = 0.125

`12 - 7.4 = 4.6\\4.6 - 2 (1)/(8) \\4.6 - 2.125 = 2.47500\\2.47500 = 2.475`