Question

A bike is on sale for $170. This is 80% of the regular price. How do you find the regular price?

Answer 1

Answer:  

The regular price of the bike is $212.5

Step-by-step explanation:  

Let us consider the regular price of the bike as X

Given  80% of the regular price = $170    

To find : regular price  

According to the question,    

80/100 × X = $170  

4/5 × X = $170

X = 170 × 5/4

X = 42.5 × 5  

X = $ 212.5  

Hence, the regular price of the bike is $212.5  

Check

80/100 × 212.5 = 170  

4/5 × 212.5 = 170  

4 × 42.5 = 170

170 = 170  

Hence checked