Question

a culture started with 2000 bacteria. after 4 hours, it grew to 2,600 bacteria. predict how many bacteria will be present after 17 hours. Round your answer to the nearest whole number

Answer 1

give me a minute

Answer 2

okay @ethane

Answer 3

ok so whats the rate of increase?

Answer 4

im not sure?

Answer 5

lets say A culture started with 2,000 bacteria. After 6 hours, it grew to 2,200 bacteria. The bacteria culture grew by 200 bacteria in 6 hours, the unit rate of that is 1/3 bacteria growing per hour. If you multiply that by 12, you get 400. right?

Answer 6

yes?

Answer 7

ok so how much did the bacteria increase over 4 hours?

Answer 8

not sure?

Answer 9

it increased by 600

Answer 10

so I divide 600 by 4?

Answer 11

yes! and whats ur awnser?

Answer 12

150

Answer 13

so that is your unit rate of change. now multiply that by 12

Answer 14

sry 17

Answer 15

that makes your answer 2250

Answer 16

2250?

Answer 17

so that's the answer?

Answer 18

yep and you should be done!