Part A: Nails by Nina sells nail polish in a package of three for $21.88. If Nina purchased the polish trio packs for $14 each, what is the percentage of markup based on cost, rounded to the nearest tenth of a percent? Show your work.​

Respuesta :

Answer:

  56.3%

Step-by-step explanation:

The ratio of the selling price to the cost is ...

  21.88/14 = 1.562857...

That is, 0.562857... of the original cost has been added to that cost. This markup amounts to about ...

  0.562857 × 100% ≈ 56.3%

of the cost.

The markup percentage is about 56.3%.