Brandon is selling 700 magazines. He sold 50% of them at $12 each, 40% of the remainder at a discount of 25% and the rest at cost price. He made a profit of $2328. Find the cost price of a magazine.

Price	$12	$9	Cost Price
Percent	50%	50%
		20%	30%
Number	350	140	Not needed
Amount collected	$4200	$1260	Not needed

Number of magazines sold at $12
= 50% x 700
= ⁵⁰₁₀₀ x 700
= 350

Price after 25% discount
= 75% x 12
= ⁷⁵₁₀₀ x 12
= $9

Remaining magazines
= 700 - 350
= 350

Number of magazines sold at $9
= 40% x 350
= ⁴⁰₁₀₀ x 350
= 140

Number of magazines sold at $12 or 25% discount
= 350 + 140
= 490

Total amount collected from the sale of 350 magazines
= 350 x 12
= $4200

Total amount collected from the sale of the other 140 magazines
= 140 x 9
= $1260

Total amount collected from the sale of magazines sold at $12 or 25% discount
= 4200 + 1260
= $5460

Cost price of 490 magazines
= 5460 - 2328
= $2940

Cost price of 1 magazine
= 2940 ÷ 490
= $6

Answer(s): $6