: Subtract 9 7/10 - 2 2/10 =

A: 7 2/10

B: 7 5/10

C: 7 7/10

D: 7 9/10

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons