Shirts were sold in 3 sizes-small,meduim and large.1/3of the shirt are small sized.1/3 of the fraction are large sized.What is t
1 answer:
The fraction of medium sized shirt is .
Step-by-step explanation:
Given,
of the shirts are small sized.
of the shirts are large sized.
To find the fraction of medium sized.
Let us take total number of shirt = 1
Number of small sized shirt =c
Number of large sized shirt =
So,
Total number of large and small sized shirt =
=
Hence,
Number of medium sized shirt =
=
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We'll use elimination to solve this system of equations.
Take the coefficients for y in both problems. Multiply one of them by -1:
Since this coefficient is taken from the first problem, we'll multiply the entire second problem by this negative coefficient:
Take the coefficient for y in the second problem and multiply the entire first problem by that coefficient:
Your system should now look like this:
Combine these two equations to cancel out y:
Divide both sides by 5 to get x by itself:
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Because we know the value of one of the variables, we can plug it into one of the equations:
Subtract 12 from both sides:
Divide both sides by 5 to get y by itself:
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