Homework Help: math test prep

Posted by destiny on Wednesday, March 30, 2011 at 3:33pm.

Ms. Snyder wants to buy a television at an electronics store. All televisions at the store
are
3
4
of the original price, p . She has a $40 discount coupon she will use during the
sale. Which equation should Ms. Snyder use to find the final price, f , of a television?

math test prep - MathMate, Wednesday, March 30, 2011 at 3:46pm
After the store discount, she pays:
f=(3/4)p...
Since she has a coupon, she pays $40 less. Therefore she subtracts $40 from the store discounted price.

Can you take it from here?

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