Friday

January 30, 2015

January 30, 2015

Posted by **Kenya** on Thursday, February 19, 2009 at 9:24pm.

______________________________________

In January, gasoline cost $1.05 per gallon. In July, gasoline cost $1.20 per gallon. Find the percent of increase.

Would the answer for this question be 14.3?

And how do you do percent of decrease?

_______________________________________

The original cost of a computer is $900. If the price is decreased by 15%, what is the sale price?

I need help with this question(:

Thank you

- Adv. Math -
**Ms. Sue**, Thursday, February 19, 2009 at 9:34pm1.20 - 1.05 = 0.15

0.15 / 1.05 = 0.143 = 14% decrease

__________________

900 * 0.15 = 135

900 - 135 = 765

- Adv. Math -
**Ms. Sue**, Thursday, February 19, 2009 at 9:35pmKenya -- we have students posting upper level high school and college math. After this I suggest you use 8th grade math as your subject.

- Adv. Math -
**Kenya**, Thursday, February 19, 2009 at 9:36pmoh ok

**Answer this Question**

**Related Questions**

Adv. Math - In January, gasoline cost $1.05 per gallon. In July, gasoline cost $...

math - on january 1,1999,the price of gasoline was$1.39 per gallon .if the ...

statistics - In 1995, the cost of unleaded gasoline was $.95 per gallon. In 2010...

math - A saleman operates a car which averged 15 miles to a gallon of gasoline....

Math - If the price of gasoline in Germany is about $1 per liter, what is the ...

Math - How much would it cost to drive an automobile that averages 22 miles per ...

math - A student uses approximately 40 to 45 gallons of gasoline per month. The ...

math - An employee at a marketing firm A student uses approximately 40 to 45 ...

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

math - vehicle a averges 14 miles per gallon of gasoline and vehicle b averges ...