Half of a number when decreased by 10 gives 14 as answer. Find the number .
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Half of a number when decreased by 10 gives 14 as answer. The number is [a] 24 [b] 84 [c] 48 [d]74
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Concept:
An equation is an expression with an equal sign.
For example: 6 x + 3 = 10, 5 y + 90 = 80, 3 x + 5 y = 78 etc.
Given:
Half of a number decreased by 10 is equal to 14.
Find:
We need to find the number.
Solution
Let the number be x.
Half a number = x / 2
When 10 is decreased from it:
x / 2 - 10
ATQ:
x / 2 - 10 = 14
x / 2 = 14 + 10
x / 2 = 24
x = 2( 24 )
x = 48
Therefore, the number is 48.
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