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to make fruit punch Marcus mixes orange juice and pineapple juice in the ratio 5 to 2 if he uses 2.5 gallons of pineapple juice how many gallons of orange juice will he use? Number 7

to make fruit punch Marcus mixes orange juice and pineapple juice in the ratio 5 to 2 if he uses 25 gallons of pineapple juice how many gallons of orange juice class=

Respuesta :

calculusxy
The ratio in here is orange juice to pineapple juice (specifically 5 gallons of orange juice to 2 gallons of pineapple juice). We need to figure out how many gallons of orange juice needs to be used if Marcus has 2.5 gallons of pineapple juice. 

[tex] \frac{5}{2} = \frac{x}{2.5} [/tex]

If you solve this proportion you should get: 
5(2.5) = 2x 
12.5 = 2x 
12. 5 / 2 = 2x / 2
6.25 = x

Marcus needs 6.25 gallons of orange juice.  

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