She would have 20 dollars left over. take the amount of money she has then add up all of the cost of the stuff she will buy then subtract.
Since this culture of bacteria obeys the law of uninhibited growth. Given that 500 bacteria are present initially, and there are 800 after 1 hour, a growth rate of 0.470003629246 (k value) has been calculated. <span>5243 </span>will be present after 5 hours.