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

1 answer:

6 0

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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