Twice a number added to help of itself equal 25. Find the no.
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Answer:
10
Step-by-step explanation:
Let the number be x.
2x + x/2 = 25
(4x + x)/2 = 25
5x/2 = 25
5x = 25 × 2
5x = 50
x = 50 ÷ 5
x = 10
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