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# Mike just filled his truck's gas tank with 20 gallons

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Intern
Joined: 24 Nov 2018
Posts: 19
Location: India
Mike just filled his truck's gas tank with 20 gallons  [#permalink]

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13 Jan 2019, 22:09
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100% (01:30) correct 0% (00:00) wrong based on 4 sessions

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Mike just filled his truck's gas tank with 20 gallons of a mixture consisting of 10% additive and 90% gasoline. If his truck runs best on a mixture consisting of 20% additive and 80% gasoline, how many gallons of additive must he add into the gas tank for his truck to achieve optimum performance

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Math Expert
Joined: 02 Sep 2009
Posts: 58434
Re: Mike just filled his truck's gas tank with 20 gallons  [#permalink]

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13 Jan 2019, 22:11
Mike just filled his truck's gas tank with 20 gallons of a mixture consisting of 10% additive and 90% gasoline. If his truck runs best on a mixture consisting of 20% additive and 80% gasoline, how many gallons of additive must he add into the gas tank for his truck to achieve optimum performance

1.0
1.5
2.0
2.5
3.0

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Re: Mike just filled his truck's gas tank with 20 gallons   [#permalink] 13 Jan 2019, 22:11
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