Home
Class 12
MATHS
In planning maintenance for a city’s inf...

In planning maintenance for a city’s infrastructure, a civil engineer estimates that, starting from the present, the population of the city will decrease by 10 percent every 20 years. If the present population of the city is 50,000, which of the following expressions represents the engineer’s estimate of the population of the city t years from now?

Promotional Banner

Similar Questions

Explore conceptually related problems

The population of a city increases each year by 10%. If the present population of the city is 12000, then what would be the population after 2 years?

The population of a city increases by 30% every year. If the present population is 338000, then what was the population of the city of two years ago ?

The population of a city increased by 10% in the previous year. If the present population is 1,32,000, what was the population of the city a year ago?

The population of a city increases by 5% per annum. If the present population of a city be 370440 then what was its population before 3 years?