Posted by **Anonymous** on Monday, August 12, 2013 at 2:12am.

Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold

- math -
**Jai**, Monday, August 12, 2013 at 2:57am
Represent the unknown with variables:

Let x = amount of premium grade gasoline sold in gallons

Let x+420 = amount of regular grade gasoline sold in gallons (according to the third statement)

Then we set up the equation. We know that the total worth of gasoline sold is 10,957. Therefore, we multiply the costs per each gallon of regular & premium grade by their respective amounts and get the total:

2.55x + (2.30)(x+420) = 10957

Solving for x,

2.55 + 2.3x + 966 = 10957

4.85x = 10957 - 966

4.85x = 9991

x = 2060 gallons of premium grade, and

x+420 = 2480 gallons of regular grade

Hope this helps~ :)

- math -
**Kayla**, Monday, August 19, 2013 at 5:10pm
gbjgv

- teasley middle school -
**brandon**, Wednesday, August 21, 2013 at 6:37pm
Equations

## Answer this Question

## Related Questions

- Math - I'm having a hard time coming up with the right equation to solve this ...
- math - E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular sold ...
- Linear Equation - A gas station sells regular gas for $2.20 per gallon and ...
- College Algebra - Maria Mixed grades of gasoline in her car, she puts 10 gallon ...
- business math - 8. At TelePower Plus, long-distance phone calls to China cost $...
- math - The grade 8 class at Wheatly Middle School sold 77 boxes of almond ...
- 11 grade algebra - I buy 20 gallons of gas, 15 premium and 5 regular. Regular ...
- math - equation pete and tom sold 41cds and tom sold 9more,.how many did pete ...
- Math - Of the 300 tickets 240 were sold to sixth grade studentss What percent of...
- Math Help!! - When the owner of a gas station sets the price of 1 gallon of ...