4x+20=3x solve for x
2 answers:
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Answer: 72 cars.
Step-by-step explanation:
Let be "x" the number of toys that Moby had to start with.
According to the information given in the exercise, Moby sold half his toy car collection. This can be represented with the following expression:
Then he bought 12 more cars, giving a total amount of 48 toy cars.
Therefore, the equation that represents this situation is the equation shown below:
Now you must solve for "x" in order to find its value.
You get that this is:
Percentage is the way to represent the part of a whole in a fraction of 100.The greatest percent of the increase in the number of jobs from 2006 to 2016 is orthodontist which is 10.94 percent.
<h3>Given-</h3>In the given table we have to find out the percent of the increase in the number of each job to find out the greatest one.
<h3>Percentage</h3>Percentage is the way to represent the part of a whole in a fraction of 100.
1-Orthodontist-
In 2006 the total number of orthodontists was 9206.
In 2016 the total number of orthodontists was 10214
Percent of increase in this job is,
Hence, percent of the increase in this job is 10.94 present.
2-Sound engineer technician-
In 2006 the total number of Sound engineer technicians was 16125
In 2016 the total number of Sound engineer technicians was 17864
Percent of increase in this job is,
Hence, percent of the increase in this job is 10.78 percent.
3-Police officer-
In 2006 the total number of Police officers was 648982
In 2016 the total number of Police officers was 719041
Percent of increase in this job is,
p_{3} =10.79%
Hence, percent of the increase in this job is 10.79 percent.
4- Editor-
In 2006 the total number of Editors was 122273
In 2016 the total number of Editors was 124135
Percent of increase in this job is,
Hence, percent of the increase in this job is 1.52 percent.
Hence, the greatest percent of the increase in the number of jobs from 2006 to 2016 is orthodontist which is 10.94 percent.
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