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Help needed for this Que’s please.!

Help needed for this Que’s please.!-example-1
User Almalkawi
by
4.1k points

1 Answer

8 votes

Explanation:

step 1. the sale is 20% off; that means times 0.8.

step 2. the additional coupon is 10% off of the sale price; that means times 0.9.

step 3. so the final price is (0.8)(0.9) times the retail price

step 4. (0.8)(0.9) = 0.72 or a 28% discount and not 30%.

User Alex Barnes
by
5.1k points