which gives the customer a better deal succesive discount of 20 percent and 10percent or clear discount of 25 percent and by how much ?
please do it fast , step by step .
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Answer:
Let the original value be x
Value after 2 successive discount:
20% of x = 0.2x
Value after 20% = x - 0.2x = 0.8x
5% of 0.8x = 0.05(0.8x) = 0.04x
Value after 5% discount = 0.8x - 0.04x = 0.76x
Value of a single 25% discount:
Discount = 25% of x = 0.25x
Value after discount = x - 0.25x = 0.75x
Compare the two values:
0.75x < 0.76x
⇒ a single discount is a better deal
Answer: A single discount is a better deal.
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