Saturday
October 25, 2014

Posts by RNRH


Total # Posts: 7

Equations and Inequalities
25z^2=-10z
February 22, 2011

math
3y^2=y+10
February 22, 2011

math
Lauren drove her car for 3 hours in a dust storm. When the skies cleared, she increased her speed by 30 miles per hour and drove 4 more hours, completing her 295-mile trip. How fast did she travel during the dust storm?
February 14, 2011

math
A dealer has 10,000 gallons of unleaded gasoline. He wants to add just enough ethanol to make the fuel a 10% ethanol mixture. How many gallons of ethanol should be added?
February 14, 2011

math
How many gallons of milk containing 5% butter fat must be mixed with 100 gallons of 1% milk to obtain 2% milk?
February 14, 2011

algebra
Glenn invested some money is a certificate of deposit (CD) with an annual yield of 9%. He invested twice as much money in a mutual fund with an annualy yield of 12%. His interest from the two investments at the end of the year was $396. How much money was invested at each rate...
February 14, 2011

Math
The length of a rectangular piece of property if 1 foot more than twice the width. If the perimeter is 302 feet, find the length and width.
February 10, 2011

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