The total price of Mr. Oliver's order is $189 including discount and tip.
Step-by-step explanation:
Given,
Bill of groceries = $175
Coupon 10% off
Amount of discount = [tex]\frac{10}{100}*175=0.1*175[/tex]
Amount of discount = $17.50
Bill after discount = 175 - 17.50 = $157.50
Tip = 20% of bill after discount
Amount of tip = [tex]\frac{20}{100}*157.50=0.2*157.50[/tex]
Amount of tip = $31.50
Bill after tip = 157.50+31.50 = $189
The total price of Mr. Oliver's order is $189 including discount and tip.
Keywords: percentage, addition
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