Given that f(x)= k/x+1 + 6/x+2 and f(5)=8, Find the value of k.

Step-by-step explanation:

Since we know that f(5)=8, we can plug in x=5 and set that equal to 8 to find k.

             [add denominator]

                    [get common denominator]

                 [add]

                    [multiply both sides by 42]

             [subtract both sides by 36]

                     [divide both sides by 7]

Now, we know that .

found it xd it ok yt

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls