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Can someone help me really quick

(Please Explain how you know this is correct.)

Can someone help me really quick (Please Explain how you know this is correct.)-example-1
User Usobi
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1 Answer

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The answer is $2.50 which you find by dividing $10 by 4 which gives you 2.5.
I know it correct because 2.5 times 8 =20 which is that the 5th customer paid for his 8 gallons.
Hope this help
User GFL
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