Seventh grade M.9 Sale prices: find the original price BDA
SALE
80% OFF!
Nancy buys a chalkboard during the sale. If Nancy pays $38, what was the original price?

Respuesta :

The answer is $190 because if its 80% off, $38 is 20% of the original price so the answer is $190
$7.60
(38 x 80)/100 = $30.40 then from there to do

38 - 30.40 = $7.60