A medical researcher has two petri dishes containing viruses. Dish A has a population density of 1.2 viruses per square millimet er. Dish A has an area of about 2,826 square millimeters. If both petri dishes have the same population density, approximately how many viruses are in Dish A?
2 answers:
<h3><u>Answer;</u></h3>
= 3,391 viruses
<h3><u>
Explanation; </u></h3>
The population density is 1.2 viruses per square millimeter. This means, each square millimeter is occupied by a population of 1.2 viruses. Therefore; for an area of 2,826 square millimeters, there will be;
= 2,826 multiplied by 1.2 viruses
= 2,826 × 1.2
= 3391.2 viruses,
and since we can have a fraction or decimal virus then the population would be <u>3391 viruses </u>
Answer: There are 3391.2 viruses in petri dish A.
Step-by-step explanation:
Given statements : The population density is 1.2 viruses per square millimeter.
each square millimeter is representing population of 1.2 viruses.
There is a directly proportional relation between the area and the population .
Let x be the population of virus in perti dish A.
Therefore,
Hence, there are 3391.2 viruses in petri dish A.
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