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Sagot :
To work out the number of cards sold, divide the total profit made for the week by the profit made on each card. 42/0.35 = 120. Jacqui sold 120 cards. Then to work out how much she earned before expenses (t), add her profit to the price of each card x how many cards were sold. T = 42 + (120 x 0.75). T = 42 + 09. T = 132. She earned $132 before expenses.
The correct answers are:
A) 120 cards; and
B) $90.
Explanation:
Let x be the number of greeting cards sold that week. She earns $0.35 per card and earned $42; this gives us the equation
0.35x = 42
Divide both sides by 0.35:
0.35x/0.35 = 42/0.35
x = 120
She sold 120 cards.
She sells each card for $0.75. This means she earned
0.75(120) = $90.
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