81.9k views
5 votes
A colony of 900,000 bacteria doubles

in size every 85 hours. What will the
population be 255 hours from now?
bacteria

User Grimgrom
by
4.0k points

2 Answers

5 votes

Answer:

2,700,000

Explanation:

is the answer because 255÷85 is 3 then times 3 by 900,000 then you get 2,700,000.

User Taibc
by
3.4k points
4 votes

255 hours / 85 hours = 3.

This means that the bacteria will double in size 3 times.

900,000 × 2 = 1,800,000

1,800,000 × 2 = 3,600,000

3,600,000 × 2 = 7,200,000

After 255 hours, the colony of bacteria will be 7,200,000

User PhilipGough
by
3.8k points