Hector collects rainwater in a large barrel that weighs 15 pounds. When there are 10 gallons of water in the barrel the total weight of the barrel and the water is 98.4 pounds. When there are 20 gallons of water the total weight is 181.8 pounds. Which equation and graph match this situation?
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Total Weight = 8.34 * Water in Gallons + 15
Step-by-step explanation:
barrel that weighs 15 pounds.
When there are 10 gallons of water in the barrel the total weight of the barrel and the water is 98.4 pounds
Water Weight Of water + Barrel
0 Gallon 15 pounds
10 gallons 98.4 Pounds
20 gallons 181.8 pounds
Total Weight = Weight of water per Gallon * Water in Gallons +Weight of Barrel
15 = 0 + Weight of Barrel
=> Weight of Barrel = 15 pounds
98.4 = G * 10 + 15
181.8 = G * 20 + 15
=> 83.4 = 10G
=> G = 8.34 pound
1 Gallon water weighs = 8.34 Pound
Total Weight = 8.34 * Water in Gallons + 15
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Answer:
8.34 * Water in Gallons + 15
Step-by-step explanation:
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