Question

If stanley bought a sandwich, that cost $3 with 50% off. what was the original price?

Answer 1

$6

Explanation:

Let the original price be =Y,

50% of the original = Y×50/100 = 0.5Y

∴ 50% off =Y - 0.5Y = 3

0.5Y=3

divide both side by the co-efficient 0f Y i.e 0.5

⇒0.5Y/0.5=3/0.5

⇒Y= $6

Answer 2

The answer is 6$. Half of 6$ is 3$