1.

Twice a number is added to the number, giving90. Find the number

Answer»

Let the number be xTwice the number be 2xAccording to the given condition,x + 2x = 903x = 90x = 90÷3x = 30Therefore, the number is 30.

let the no be X2x + X= 90= 3x = 90=. 3x = 90= X = 30/3 = 30henre req no = 30

X+2x= 903x=90X=30

30 is right answer


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