rascheda rascheda

26-01-2020
Mathematics

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A certain grey paint calls for 3 parts black and 15 parts white. How many gallons of black are needed for 40 gallons of grey?

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kyahrae39 kyahrae39

26-01-2020

Answer:6.6666666666

Step-by-step explanation:

(40 gallons/(3parts black+15 parts white))*3 parts black

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