Question

Multiplying a number by 3 is the 1 point
same as
tick the correct option
O increasing the number by 300%.
O increasing the number by 200%.
O increasing the number by 150%.
increasing the number by 3%.​

Answer 1

Option (a).

Let the number be x.

Therefore ,

300 % of x

= (300 / 100) × x

= 3x.

And .... Multiplying the number by 3, we get 3x.

Both are equal.

Hence , it is same as increasing the number by 300%.

____✌____

Answer 2

Given:

A number is multiplied by 3

To find:

The equivalent percentage increase

Solution:

The per cent increase equivalent to multiplying the number by 3 is 200%.

Let the given number be X.

On multiplying by 3, the number becomes 3×X=3X

Similarly, when X is increased by 200%, we get

=X+200% of X

=X+200X/100

=X+2X

=3X

Therefore, the per cent increase equivalent to multiplying the number by 3 is 200%.