problem: percent calculation rate example 5:
example: A discounter marked down a $ 120 portable CD player to $ 90.
question: What is the mark down in % ?
answer: percent calculation rate example 5
given: part (new price) = $ 90 base value (old price) = $ 120
wanted: rate
formula:
rate = part : base value * 100
rate = 90 : 120 * 100
rate = 75 %
100% – 75% = 25% mark down
answer:
The mark down is 25%.