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criag is selling apple cider at a fall festival he prepared 5 gallons of cider which is eqaul to 20. he sold 18 quarts. he wants to know an eqaul amount of cider he will have

Sagot :

Answer:

Step-by-step explanation:

5 gallons to 20 qts = x gallons to 18 qts

5 x

------ = ------ cross multiply

20 18

(20)(x) = (5)(18)

20x = 90

x = 90/20

x = 4.5 <==== 18 qts is equal to 4.5 gallons

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20 qts to 5 gallons = 20/5 = 4 qts per gallon <==