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3 years ago

14

Lucy's family purchased one sweatshirt and 4 t-shirts for $110. Mark's family bought three sweat-shirts and 4 t-shirts for $200.

Determine the cost of a t-shirt and a sweatshirt.

1 answer:

omeli [17]3 years ago

6 0

T-shirt are 20 each and sweatshirt are 30

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Answer:

x = -7/12.

Step-by-step explanation:

Given:

$x + \frac{5}{12} = -\frac{1}{6}$

Create a common denominator for each term:

$\frac{12x}{12} + \frac{5}{12} = -\frac{2}{12}$

Disregard the denominator:

12x + 5 = -2

Subtract 5 from both sides:

12x = -7

Divide both sides by 12:

x = -7/12.

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Read 2 more answers