A certain number is increased by 5 and one half of the results is equal to two fifth of the number reduced from 85.Then the number is
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Answer: The number would be 35.
Step-by-step explanation:
Let the number be x
When the number is increased by 5, it becomes x+5
One half of the resulting value= 1/2*(x+5)
Two fifth of the number when reduced from 85= 2/5(85-x)
Combining the above conditions according to the question we get:
1/2*(x+5)= 2/5(85-x)
Multiplying the above equation by 10 as follow:
5x+25=340-4x
9x=315
x=315/9
x=35
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