In 2003, the population of an african country was about 15.5 million people, which is 2 million more than 3 times the population in 1950.
enter and solve an equation to find the approximate population p (in millions) in 1950.

The population in 1950 is 4.5 million.

Let the population in 1950 be represented by p

Therefore, based on the information given, the equation to solve the question will be:

(3 × p) + 2,000,000 = 15,500,000

3p + 2,000,000 = 15,500,000

Collect like terms

3p = 15,500,000 - 2,000,000

3p = 13,500,000

p = 13,500,000/3

p = 4,500,000

Therefore, the population in 1950 was 4.5 million.

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Equation to be solved:      2+3x=15.5

The solution we want is:   4.5 million

The solution for p is:          p=4.5

Step-by-step explanation:

The problem says:

15.5 million is 2 million more than 3 times the population in 1950.

We can write this as an equation like this:

15.5 million = 2 million       +           3(x million).

Each term contains the factor of million so if we divide both sides by a million the equation can actually be written as:

15.5            =2                    +           3(x)

15.5           =2                     +           3x

So the equation we need to solve is:

15.5=2+3x

We want to isolate 3x. To do this we need to subtract 2 on both sides:

15.5=2+3x

-2    -2

13.5=    3x

Divide both sides by 3:

13.5/3 = 3x/3

Simplifying both sides gives:

4.5=x

So 4.5 million is the population in 1950's.

use the power rule  

( a b ) n = a n b n

to distribute the exponent.

apply the product rule to  

3 x 2 y 3 . ( 3 x 2 ) 2 ( y 3 ) 2

apply the product rule to  

3 x 2 . 3 2 ( x 2 ) 2 ( y 3 ) 2

raise  

3

to the power of  

2 . 9 ( x 2 ) 2 ( y 3 ) 2 multiply the exponents in   ( x 2 ) 2

.

apply the power rule and multiply exponents,  

( a m ) n = a m n . 9 x 2 ⋅ 2 ( y 3 ) 2

multiply  

2   by   2 . 9 x 4 ( y 3 ) 2

multiply the exponents in  

( y 3 ) 2 .

apply the power rule and multiply exponents,  

( a m ) n = a m n . 9 x 4 y 3

⋅

2

multiply  

3   by   2 . 9 x 4 y 6

step-by-step explanation:

the answer will be the last one