Question

The population of Greater Accra increased by 20% and became 900,7000. The original population of the city was:

Answer 1

the original population of the city is 7,505,833

Explanation:

Given;

new of the population of the city, Y = 9,007,000

the percentage increase of the city, = 20% = 0.2

Let the original population of the city = X

New population, Y = X + 0.2X

Y = X(1 + 0.2)

Y = X(1.2)

Y = 1.2X

X = Y/1.2

X = (9,007,000) / 1.2

X = 7,505,833

Therefore the original population of the city is 7,505,833