50% discount and 40% discount equals to a discount of-

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answer is B.

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Detailed Solution

Concept: Use the total discount formula when two discounts are supplied.
Let x be the initial discount, which equals 50%
Let y be the second discount, which equals 40%.
The total discount is given by the formula

The total discount

Consequently, we can write: 50% discount + 40% discount = 70% discount.
Hence, option 2 is correct.

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