Question

Which equation and graph match this situation Hector collects rainwater in a large barrel that weighs 15 pounds. When there are 10 gallons of water in the barrel, the total weigh of the barrel and the water is 98.4 pounds. When there are 20 gallons of water, the total weight is 181.8 pounds

Answer 1

I'm a whole year late but I was struggling with this question for an hour and got it right so hopefully I might help someone!!

The answer is y = 8.34x + 15

This comes from an Apex test !