Percentage Practice Test 5 with solutions

Question : 33 of 40

Marks: +1, -0

Sophia owns a gift shop. When she offered a discount of 20% on teddy bears, her sale increased by 80%. What was the net effect on the sale?

Solution:

Let the discount be x% and the increase be y%
Result

=-20+80-{20×80}/100

=60-16=44%

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