The initial population of a small town was 2.53 thousand. The population grows at a rate of 2.15% each year. After how many years will the population have doubled?

Solution

Solution

Amount after addition : 2.584395

Solution steps

Translate the problem into an equation:

x = 2.53 + 0.0215 \cdot 2.53

x = 2.53 + 0.0215 \cdot 2.53 : x = 2.584395

Amount after addition : 2.584395

Popular Examples

There are two mystery numbers. The sum of 10 times the first number and 6 times the second number is 16. The sum of 3 times the first number and 2 times the second number is 5. What are the two numbers?The sum of three consecutive numbers is 72. What are the smallest of these numbers?Cole and Krysta deposit 700.00 into a savings account which earns 9% interest compounded quarterly. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?The product of two consecutive positive integers is 552.What are the integers?The circumference of a circle is 20pi cm. What is the area, in square centimeters? Express your answer in terms of pipi.