The price of a camera is first increased by and then reduced by . What is the overall change in the price?

Answer and explanation

Correct answer: C. an increase of 26%

  1. Step 1: Multiply the two factors: .
  2. Step 2: Compare with : the overall change is .
Answer
an increase of 26%.
Why not the others: an increase of 30%: it simply subtracts the two percentages, but the second change applies to the new price. a decrease of 26%: the direction of the change is reversed. an increase of 21%: the two factors are not multiplied correctly.

Practise more Percentages.

Free questions with an explanation for every one, and full timed Leaving Cert Ireland mock tests.