Friday

August 29, 2014

August 29, 2014

Posted by **Samantha** on Thursday, June 4, 2009 at 8:48pm.

- Math (Algebra/Pre-Algebra) -
**Reiny**, Thursday, June 4, 2009 at 8:54pmAfter we took off 20%, doesn't the $15 represent 80% of what it used to cost?

so .8x=15

x = 15/.8

= 18.75

test the answer by taking 20% of that, and subtracting it.

Do we get $15 ?

- Math (Algebra/Pre-Algebra) -
**Samantha**, Thursday, June 4, 2009 at 9:06pmThat is one of the choices so my guess is that that is correct. Thank you! =]

- Math (Algebra/Pre-Algebra) -
**Anonymous**, Thursday, September 1, 2011 at 9:43am8=1/4x-6

**Related Questions**

math - Barbra has a coupon for 5% off of the cost of her dinner, She tips the ...

math - Barbra has a coupon for 5% off of the cost of her dinner, She tips the ...

Help with math needed! - 1. your favorite book is $29.50, how much is it with ...

Prevents - If a book would cost 36 dollars and it had 10 percent of discount how...

math (discount) - An instrument store gives a 10% discount to all students off ...

math - An instrument store gives a 10% discount to all students off the original...

algebra - The following note was discounted at 16%. Find (a) the discount period...

Algebra Grade 7 - suppose that a car normally sells for $16,500 and is now on ...

math - A 7%,6O day note was discounted at 15 days before the maturity date. If ...

algebra - A 120-day simple discount promissory note for $12,000 with a simple ...