Question

10 is added to half of a number gives 100. What is the number?

Answer 1

Answer:

180

Step-by-step explanation:

1/2x+10=100

1/2x=90

x=90*2

x=180

Answer 2

Given:

10 added to half of a number gives 100

To Find:

The required number

Solution:

$Let \: the \: number \: = \: x$

$Half \: of \: a \: number \: = \dfrac{1}{2} \times x$

According to the given question:

$= > \dfrac{1}{2} \times x \: + 10 = 100$

$= > \dfrac{x}{2} + 10 = 100$

$= > \dfrac{x}{2} = 100 - 10$

$= > \dfrac{x}{2} = 90$

$= > x = 90 \times 2$

$= > x = 180$

Hence, the required number is 180.

Know More:

six added to four times a number gives 42. find the number

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