Question

The cost of groceries for the Nguyen family was $210. The family used a coupon for 25% off the cost. What was the final cost after the coupon was used

Answer 1

To calculate the final cost after applying the coupon, first determine the amount of the discount.

1. Calculate the discount amount:
\[
\text{Discount} = \text{Original cost} \times \text{Discount rate}
\]
\[
\text{Discount} = 210 \times 0.25 = 52.50
\]

2. Subtract the discount from the original cost to find the final cost:
\[
\text{Final cost} = \text{Original cost} - \text{Discount}
\]
\[
\text{Final cost} = 210 - 52.50 = 157.50
\]

So, the final cost after the coupon was used is **$157.50**.