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10. A coat is on sale for Rs.120 after a discount of 20 percent. Find the original price.?
the answer is 150 can anyone please solve it fully.

Respuesta :

Greenleafable
If the discounted price of the coat is 120 after a 20% discount, that means that it 80% of the original price (100% - 20% = 80%).
Now, we can set the proportions:

120 : 80 = x : 100
80x = 120 * 100
80x = 12000
x = 12000/80
x = 150