Respuesta :

Given:
cost = 7.45
selling price = 9.95

9.95 - 7.45 = 2.50 mark up

2.50 / 7.45 = 0.3355
0.3355 * 100% = 33.55% or 33.6% is the percentage of mark up to the nearest tenth.
The difference is 9.95 - 7.45 = 2.5

That represents (2.5/7.45) *100% = 33,6%.