radomes.openskiesproject.org
Valencatdoina Valencatdoina
  • 07-01-2017
  • Mathematics
Answered

Jane buys a coat that is $18 off the orinigal price. This is a 30% discount. What is the original price of the coat?

Please explain how to get answer? Thanks

Verified Answer :

Apocrophon
Apocrophon Apocrophon
  • 07-01-2017

Total cost - (total cost * 30%) = discounted price
\(C - .3C = 18 \\ .7C =18 \\ C = \frac{18}{ \frac{7}{10}}\\ C=\frac{180}{7}\\ C= 25.7142857...\)

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