Question

The ratio of number of males and females in a state is
4:5 and the total population 18.9 million, find
the number number of males and females in the state.​

Answer 1

Given :

• The ratio of number of males and females in a state is 4:5.

• The total population 18.9 million.

To find :

• The number number of males and females in the state =?

Step-by-step explanation :

Let, the number of males be 4x.

Then, the number of females be 5x.

It is Given that,

The total population 18.9 million.

According to the question :

➮ 4x + 5x = 18.9

➮ 9x = 18.9

➮ x = 18.9/9

➮ x = 2.1

Therefore, We got the value of, x = 2.1

Hence,

The number of males, 4x = 4 × 2.1 = 8.4 million

The number of females, 5x = 5 × 2.1 = 10.5 million.

Answer 2

$\bf\large{\underline{Question:-}}$

The ratio of number of males and females in a state is

4:5 and the total population 18.9 million, find

the number number of males and females in the state.

$\bf\large{\underline{Given:-}}$

• Ratio of male and female is = 4:5
• Total population = 18.9m

$\bf\large{\underline{To\:find:-}}$

• Number of male and female in a state =?

• → Let the number of male=4x.
• →Number of female=5x

$\bf\large{\underline{According \:to\: question}}$

So,

Number of male + number of female = Total population

$\tt→ 4x+5x=18.9\\\tt→ 9x=18.9\\\tt→ x=\frac{18.9}{9}\\\tt→ x= 2.1million$

Hence,

• Number of male=4x= 4×2.1 = 8.4million

• Number of female = 5x= 5×2.1 = 10.5million

verification

Number of male+number of female = Total population

So,

$\tt→ 8.4+10.5= 18.9\\\tt→ 18.9=18.9$

Verified