Vanessa has decided to sell some of her clothes to make pocket money, offering a standard price for each type of item. She made a total of $69 by selling 7 dresses and 4 shirts. If she managed to sell each shirt for $5, how much did the dresses sell for each?
Let V be the cost of each dress.
(7 * V) + (4 * 5) = $69.
So, 7 * V + 20 = $69.
7V = $49.
V = $49/7.
V = $<<7=7>>7.
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