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monitta
3 years ago
12

PLEASE HELP! BRAINLIEST! AND EXTRA POINTS

Mathematics
1 answer:
Rom4ik [11]3 years ago
8 0

Answer:

The discount is $0.8d.

Step-by-step explanation:

Given that,

The original cost of Tamara's purchase is d dollars​.

Tamara uses a coupon to save 20% off her purchase at the bookstore.

Discount = 20%

Discount is applied to the original cost.

Discount = d-(20/100)d

Discount = 0.8 d

Hence, the discount is $0.8d.

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