Question

17

E. Coli is a type of bacteria that can cause dangerous health problems. It
doubles every 20 minutes.
Write an expression that can help you determine the number of bacteria
after t minutes.
b) Use your expression to determine the number of bacteria after
i) 5 hours
ii) 8 hours

Answer 1

Explanation:

Expression: X = Bacteria T = Minutes 20t = X

20(15) = X

20(24) = X