Question

The number of cells of bacteria triple in every 30 minutes. A scientist begins with a single cell How many cells will be there after 12 hours?​

Answer 1

Answer:

let the no of cells be x

3x .. in ..... 30 min

1min.....in ......3x/30

1min.....in ......x/10

12/60 min ...in.... x/10 × 12/60= 12x/600 = x/50

in 12hours the no cells will be x/50