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Ne4ueva [31]
1 year ago
11

If biology is 40% and chemistry is 24% and earth science is blank and so is physics. There are 4% more students signed up for an

earth science project than a physics project. How can I write an equation to find the percent of students ,x, that a re e signed ti do a physics project?
Mathematics
1 answer:
san4es73 [151]1 year ago
6 0

Given data:

The given biology percentage is B=40%.

The given chemistry percentage is C=24%.

The percenage of earth science as compare to physics is E=P+4%.

The expresion for the sum of all subjects is,

B+C+E+P=100%

40%+24%+E+P=100%

E+P=36%.............................(I)

Substitute given value in the above expression.

P+4%+P=36%

2P=32%

P=16%

The nummber of students assigned earth science is,

E=16%+4%

=20%

Thus, the percentage of the students assigned to the physics subject is 16%.

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