Answer:
The sale price of the coat is $187.50.
Explanation:
Given:
A coat and a pair of boots are on sale for 20% off.
The regular price of the coat is $225. And the regular price of the boots is 130.
Now, to find the sale price of the coat.
Let the sale price of the coat be
.
Sale off = 20%
And the regular price of coat = $225.
According to question:
Sale price + sale off = Regular price.

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Dividing both sides by 1.20 we get:
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Therefore, the sale price of the coat is $187.50.