Question

If 100% of a number is 15 what is 50% of the number​

Answer 1

Answer:

7 1/2(seven one by two).

Explanation:

First, we find the number.

Let the no. be x.

So,100%of x=15

=100/100×x=15

=x=15.

Now we found the number to be 15.

So,50%of 15=

=50/100×15

=1/2×15

=15/2

=7 1/2(seven one by two).

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Answer 2

Given,

100% of a number is 15

To find,

50% of the same number.

Solution,

The required value is 7.5.

We can simply solve the mathematical problem by the following procedure.

We know that;

∴ 100% of a number is 15

Let us consider the number to be x.

Thus,

⇒ 100 % * x = 15

⇒ x = $\frac{15}{100} * 100$

      = 15

Now,

We have to find;

∴ 50% of the same number

⇒ 50 % of x

⇒ $\frac{50}{100} * x$

⇒ $\frac{50}{100} * 15$

⇒ 7.5

Thus,

The required value is 7.5.