SOLUTION: how many gallons of gasoline that is 12% ethanol must be added to 2,000 gallons of gasoline without ethanol to get a mixture that is 10% ethanol?

SOLUTION: how many gallons of gasoline that is 12% ethanol must be added to 2,000 gallons of gasoline without ethanol to get a mixture that is 10% ethanol?

Algebra.Com

Question 706986: how many gallons of gasoline that is 12% ethanol must be added to 2,000 gallons of gasoline without ethanol to get a mixture that is 10% ethanol?
Answer by nshah11(47) (Show Source): You can put this solution on YOUR website!
Assume x gallons must be added:
(0.12x)/(2000 + x) = 0.1
0.12x = 200 + 0.1
x/50 = 200
x = 10,000 gallons
RELATED QUESTIONS
How many gallons of gasoline that is 12% ethanol must be added to 2,000 gallons of... (answered by TimothyLamb)

How many gallons of gasoline that is 8% ethanol must be added to 2,000 gallons of... (answered by checkley77)

How many gallons of gasoline that is 6% ethanol must be added to 2,000 gallons of... (answered by stanbon)

How many gallons of gasoline that is 16% ethanol must be added to 2,000 gallons of... (answered by josgarithmetic,josmiceli)

How many gallons of gasoline that is 11% ethanol must be added to 2,000 gallons of... (answered by TimothyLamb)

How many gallons of gasoline that is 5% ethanol must be added to 2,000 gallons of... (answered by josgarithmetic)

1) How many gallons of gasoline that is 6% ethanol must be added to 2,000 gallons with no (answered by richwmiller)

how many gallons of gasoline that is 8% ethanol must be added to 2000 gallons of gasoline (answered by richwmiller)

How many gallons of gasoline that is 12 % ethanol must be added to 2000 gallons of... (answered by stanbon)