Question

Help me ASAP PLEASE

Answer 1

Answer:

Your(my) number is 40

Step-by-step explanation:

I. Given 80/something, + 13, * 5 = 75 when x is something

So [  $\frac{80}{x}$ + 13 ]5 = 75

     [ $\frac{400}{x}$ + 65] = 75

     $\frac{400}{x}$ = 75 - 65

     $\frac{400}{x}$  = 10

     400 = 10x

        x = 40

II. Prove by replace 40 in x

    [(80/40) + 13]5 = 75

    [2 + 13] 5 = 75

    (15)5 = 75

        75 = 75 true

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