After a 80% reduction, you purchase a new washing on sale for $100. what was the original price of the washing machine?

the original price of the washing machine is $500

Method 1: ___ * .2 = $100
so 100/ .2= 500

Checking our work:
500* .2 = 100
500* .8 = 400 500-400= 100

So the original price was $500, but after the 80% reduction, you would purchase for $100.

Use photo math it