Posted by **Tha** on Monday, August 10, 2009 at 11:45pm.

Bosley's Pet Foods buys dog kibbl for $19.50 per bag, less 40%. The store's overhead is 33 1/3% of the selling price, and the desired profit is 10% of the selling price.

(a) At what price per bag should the dog food be sold?

(b) At this price, what is the rate of markup on cost?

(c) What is the break-even price?

- Math -
**MathMate**, Tuesday, August 11, 2009 at 8:58am
Arithmetic is used to solve the problem although algebra can also be used.

Cost price = $19.50- 19.50*0.40 = $11.70

The selling price includes

- 33 1/3 % of overhead

- 10 % of profit

So the fraction of cost in selling price

= 100% - 33 1/3 - 10 = 56 2/3%

Therefore selling price

= cost / fraction of cost

= $11.70 / (56 2/3%)

= $11.70 / (170/300)

= $11.70 * 300/170

= $20.65

Check:

Profit (10%) = 20.65*0.1 = $2.07

Overhead (33 1/3%) = 20.65*(1/3)= 6.88

Cost price = 20.65-2.07-6.88=11.70

So the answer is correct.

- Math -
**MathMate**, Tuesday, August 11, 2009 at 9:00am
(b) the mark-up on cost is the profit divided by the cost price. It should be different from 33 1/3%.

(c) the break even price is the selling price less the profit, i.e. zero profit.

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