Question

the manufacturing cost of a cell phone was $124 cellars first marked up the cost by 20% sales were poor , so sellers decreased the mark up to 15% calculate the old a new price

Answer 1

old=148.8

new=142.6

Explanation:

124*1.2(markup percentage increase)=148.8

100%+20%=120%=1.2(multiplier)

same method for the new price