A corned beef costs $37.50. It is on sale for 70% off. How much is the original price?
Let x represent the original price.
Since it is now 70% off, subtract 0.70x from the original price to get the sale price.
x - 0.70x = 37.50
0.30x = 37.50
---> x = 37.50 / 0.30 = $125.00