Question

A lawnmower that regularly sells for $150 is on sale for $120. By what percentage was the price decrease?

Answer 1

Step 1:

Let us first find the decrease in amount.

Decrease in amount = 150 -120 = $30

Step 2:

Now let us find the ratio of decrease in price to original price.

$\frac{decrease in price}{original price} = \frac{30}{150}$

So the ratio is 1/5 or in decimal its 0.2.

Step 3:

To find percentage decrease we change this decimal number 0.2 two places to the right side, so it becomes 20 %

Answer : The price decreased by 20%

Answer 2

20% discount was the price decrease