Question

if double of a number is 30 more than half of that number itself, find the number​

Answer 1

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If double of a number is 30 more than half of that number itself, Find the number.

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Let the number = x

Then,

2x = 30+1/2×x

2x = 30+x/2

2x-x/2 = 30

(4x-x)/2 = 30

3/2×x = 30

x = 30×2/3

x = 20.

Answer 2

The answer is given above