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Mathematics 24 Online
OpenStudy (anonymous):

at dorothy hair salon 4 gallons of shampoo will last 3 weeks she has 7 gallons of shampoo how much more must she order if she wants to have enough for 12 weeks

OpenStudy (anonymous):

first you do 4 times 4 then subtract 7 and thats how many more gallons she needs which is 9

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