Masamstha 31 this the way to do this sum.
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step-by-step explanation:

i hope this : )

answer: for each 3 girls there is 2 boys . 3: 2

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option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

step-by-step explanation:

a and d