Question

A store is having a 25% discount sale. Sheela has a ₹50 gift voucher and wants

to use it to buy a board game marked for ₹320. She is not sure how to calculate the

concession she will get. The sales clerk has suggested two ways to calculate the

amount payable.

Method 1 Subtract ₹50 from the price and take 25% off the resulting price.

Method 2 Take 25% off the original price and then subtract ₹50.

(a) Find the discount amount given by the store.

(b) For each method, calculate the amount Sheela would have to pay. Show your

work.

(c) Which method do you think stores actually use? Why?​

Answer 1

A store is having a 25% discount sale. Sheela has a ₹50 gift voucher and wants

to use it to buy a board game marked for ₹320. She is not sure how to calculate the

concession she will get. The sales clerk has suggested two ways to calculate the

amount payable.

Method 1 Subtract ₹50 from the price and take 25% off the resulting price.

Method 2 Take 25% off the original price and then subtract ₹50.

(a) Find the discount amount given by the store.

(b) For each method, calculate the amount Sheela would have to pay. Show your

work.

(c) Which method do you think stores actually use? Why?