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dimulka [17.4K]
3 years ago
5

In a certain clothing store, 6 shirts and 3 ties cost $79.50, and 3 shirts and 2 ties cost $41. Determine the cost of each tie.

Mathematics
2 answers:
SashulF [63]3 years ago
8 0
Https://us-static.z-dn.net/files/d18/ce7107c58c34f8e2cf6c1f3e05752043.jpeg

Lena [83]3 years ago
4 0

Answer:

A. $2.50

Step-by-step explanation:

Let s be the cost of shirt and t be the cost of each tie.

We have been given that in a certain clothing store, 6 shirts and 3 ties cost $79.50. We can represent this information in an equation as:

6s+3t=79.50...(1)

We are also told that 3 shirts and 2 ties cost $41. We can represent this information in an equation as:

3s+2t=41...(2)

Now, we will use substitution method of solving system of equations. From equation (1) we will get,

s=\frac{79.50-3t}{6}

Substituting this value in equation (2):

3(\frac{79.50-3t}{6})+2t=41

\frac{79.50-3t}{2}+2t=41

\frac{79.50-3t}{2}+\frac{2*2t}{2}=41

\frac{79.50-3t+4t}{2}=41

Now, we will multiply both sides of our equation by 2.

\frac{79.50+t}{2}*2=41*2

79.50+t=82

Subtracting 79.50 from both sides we will get,

79.50-79.50+t=82-79.50

t=2.50

Therefore, the cost of each tie is $2.50 and option A is the correct choice.

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