Question

The population of pigs at a free range farm has a growth rate of 13%. If the farm originally has 155 pigs, how many will there be after 2 years?

Answer 1

FYI: MY CALCULATIONS IN THIS ANSWER ARE ACCORDING TO 13% GROWTH RATE OF PIGS!

Answer:

Explanation:

1. Find 13% of 155.

13 percent *155 =

(13:100)*155 =

(13*155):100 =

2015:100 = 20.15

Now we have: 13 percent of 155 = 20.15

2. Multiply 20.15 by 2

20.15x2= 40.3

3. Add 40.3 into 155

40.3+155= 195.3

After 2 years, the total population of the pigs is 195.3 pigs.

Answer 2

Explanation:

Sorry for the very late answer but the other answer may not be right.

Assuming pigs have growth rate of 13% in 1 year

The farm originally with 155 pigs will have 155 * ( 1 + 13%)

= 155 * 1.13 = 175.15

= 175 pigs (as you cannot have 0.15 pig)

Repeat it for the the second year but with 175 pigs in the farm now,

175 * 1.13 = 197.75

Again as you cannot have 0.75 pig, there will be 197 pigs after 2 year.