Bacteria increases at the rate proportional to the number of bacteria present. If the original number N doubles in 3 hours, find in how many hours the number of bacteria will by 4N ?

Bacteria increases at the rate proportional to the number of bacteria present. If the original number N doubles in 3hours,find in how many hours the numbers of bacteria will be 4 N?

Bacteria multiply at the rate proportional to the number of bacteria present.If the original number N doubles in 3 hours,show that the number will be 4N in 6 hours.

The rate of increase of bacteria in a culture proportional to the number of bacteria present and it found that the number doubles in 5 hours. Calculate how many times the bacteria my be expected to grow at the end of 15 hours

It given that the rate at which some bacteria multiply is proportional to the instantaneous number presents. If the original number of bacteria doubles in two hours, in how many hours will it be five times?

In a certain culture of bacteria, the rate of increase is proportional to the number present. If it is found that the number doubles in 4 hours, find the number of times the bacteria are increased in 12 hours.

The rate of increase of bacteria in a certain culture is proportional to the number present . If it doubles in 5 hours , then in 25 hours , its number would be

It given that the rate at which some bacteria multiply is proportional to the instantaneous number presents.If the original number of bacteria doubles in two hours,in how many hours will it be five xx?

The rate of increase of the bacteria in a culture is proportional to the number of bacteria present and it is found that the number doubles in 6 hours. Prove that the bacteria becomes 8 times at the end of 18 hours.