Asked by dareus boddie

a colony of ants doubles every 20 days. if the colony has 350 ants today, how many are/were present in 50 days?

a. in 50 days?
b. 55 days ago?
c. in 30 days?
Answered by Steve
x days from today, the number of ants n, is

n = 350 * 2^(x/20)

Now just plug in your values for n.