Questions on Word Problems: Linear Equations And Systems Word Problems answered by real tutors!

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Question 153276: Donna uses a 10% off coupon at her local nursery. After buying azaleas, bougainvillea, and bags of potting soil, her checkout price before tax is $217.95. How much would she have paid without the coupon?: Donna uses a 10% off coupon at her local nursery. After buying azaleas, bougainvillea, and bags of potting soil, her checkout price before tax is $217.95. How much would she have paid without the coupon?
Answer by jojo14344(879) About Me  (Show Source):
You can put this solution on YOUR website!
Remember:
P=price for the stuff Donna bought
Putting into eqn less 10%:
P-10%P=$217.95+tax ---->P-0.10P=217.95+cross(tax)
*tax is negligible in this case since we're not on the total pay out price.
Continuing,
P(1-0.10)=217.95
P*cross(0.90)/cross(0.90)=cross(217.95)242.17/cross(0.90)
P=242.17 ---------> PRICE WITHOUT 10% COUPON
Thank you,
Jojo