SOLUTION: Two drivers leave their houses at the same time. The ﬁrst driver�s car has a gas tank that holds 15 gallons. The second has a gas tank that holds 13 gallons. Both cars are

Question 443597: Two drivers leave their houses at the same time. The ﬁrst driver�s car has a gas tank
that holds 15 gallons. The second has a gas tank that holds 13 gallons. Both cars are
using up their gasoline at the same rate of 2 gallons per hour. When is the amount of
gasoline in one tank 7 times the amount of gasoline in the other tank
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
15-2t=7*(13-2t)
15-2t=91-14t
12t=76
t=76/12
t=38/6
t=19/3
t=6 1/3
15-2(19/3)
15-38/3
45/3=38/3=7/3
13-38/3=
39/3-38/3=1/3

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SOLUTION: Two drivers leave their houses at the same time. The &#64257;rst driver�s car has a gas tank that holds 15 gallons. The second has a gas tank that holds 13 gallons. Both cars are

SOLUTION: Two drivers leave their houses at the same time. The ﬁrst driver�s car has a gas tank that holds 15 gallons. The second has a gas tank that holds 13 gallons. Both cars are