SOLUTION: How many gallons of gasoline that is 12 % ethanol must be added to 2000 gallons of gasoline that has no ethanol to obtain a mixture that is 10 % ethanol?

Question 156388: How many gallons of gasoline that is 12 % ethanol must be added to 2000 gallons of gasoline that has no ethanol to obtain a mixture that is 10 % ethanol?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many gallons of gasoline that is 12 % ethanol must be added to 2000 gallons of gasoline that has no ethanol to obtain a mixture that is 10 % ethanol?
-----------
Ethanol Equation: 0.12x + 0*2000 = 0.10(x+2000)
0.12x = 0.10x + 200
0.02x = 200
x = 10,000 gallons (amt. of 12% ethanol that must be added)
=================
Cheers,
Stan H.
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)

how many gallons of gasoline that is 12% ethanol must be added to 2,000 gallons of... (answered by nshah11)

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

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