Saturday

November 22, 2014

November 22, 2014

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

- math -
**Jai**, Monday, August 12, 2013 at 2:57amRepresent 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 5:10pmgbjgv

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

**Answer this Question**

**Related Questions**

Math - I'm having a hard time coming up with the right equation to solve this ...

Linear Equation - A gas station sells regular gas for $2.20 per gallon and ...

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 ...

College Algebra - Maria Mixed grades of gasoline in her car, she puts 10 gallon ...

Math - Of the 300 tickets 240 were sold to sixth grade studentss What percent of...

11th grade Algebra 2 - A retaurant sold a total of 418 largeand small hanburgers...

Math - one day a store sold 21 sweatshirts. White ones cost $10.95 and yellow ...

9th Grade Math - The money collected at a school basketball game was 2,265 from ...

Algerbra - One day a store sold 35 sweatshirts. White ones cost $9.95 and yellow...