Grandfather 2871

Dasha asked her grandfather, a good accountant, how old he was. He said: If you add 5 to my number of years and divide this sum by six, you will get the same result as subtracting 6 from my number of years and dividing this difference by five.
How old is Dasha's grandfather?

Correct answer:

x =  61

Step-by-step explanation:

(x+5)/6=(x6)/5  x=61  x=161=61  x=61



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