noorjahanhossain13 noorjahanhossain13

23-09-2020
Mathematics

contestada

In an experiment, every hour 20% of the total number of bacteria die, and those remaining bacteria
double. If there were originally 125 bacteria, how many are there after three hours?

Respuesta :

madison2014nc madison2014nc

23-09-2020

Answer:

Hi there!

Your answer is;

There are 50 bacteria after 3 hours

Step-by-step explanation:

After three hours, with a rate of 20% an hour, 60% should have died

20% of 125 is?

100% is 125

/100

1% is 1.25

×60

60% is 75

125-75= 50

Hope this helps

Answer Link

Otras preguntas

jackie is solving this system of linear questions: 3x+2y= 20 4x-y=30 which equations could be part of the process of solving this system? 4x+6y=2012x+8y=808x-y=

What are suffixes that means filled with

A square has an area of 50 square cm. Which of the following best describes the square's perimeter?

20. Some believe that the business cycle should be regulated by government policy and others think it should just go with the flow. Which of these do you think

(GIVING BRAINLIEST!!) What is a main difference between Earth and its moon? A) Earth revolves around the sun, while the moon revolves around Earth. B) Earth rev

what is full form off computer

During Operation Desert Storm, the main Coalition attack by the XVIII Airborne Corps and the VII Corps was through the southern Iraqi desert, not in Kuwait wher

can someone help me?

Provides an array of buttons for quick access to commonly used commands and tools A. scroll bar B. tool bar C. status bar D. menu bar

The ratio of boys to girls in a club is 4:5 what fraction of the club are boys