Given that <span>Kalen wrote 60:20, or 3: 1 on his paper.
The comparison statement that would describe the ratios that he wrote are:
For every 60 parts of a quantity, there is 20 parts of another quantity. or </span><span>For every 3 parts of a quantity, there is 1 parts of another quantity.</span>
The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours.
