The three numbers of madness
Level
pending
There are five consecutive numbers. If you multiply the second number by 6, then subtract 4, you'll get 5 times the fifth number. What is the sum when you add all the 5 consecutive numbers?
The answer is 100.
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1 solution
consecutive numbers as (x,x+1,x+2,x+3,x+4) second x+1 multiply by 6 and then substract by 4 is 6(x+1)-4 =5x+20 by solving x=18,,then substitute to general form we get 18,19,20,21,22.. adding we get 100 is answer