bewellplus.gsu.edu
dimlo dimlo
  • 16-10-2016
  • Mathematics
Answered

the ratio of the number of boys to the number of girls in a school is 4:5 there are 95 girls in the school work out the total number of students in the school

Verified Answer :

dittobean dittobean
  • 16-10-2016

the answer to this question is 167

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Anonymous Anonymous
  • 16-10-2016

x=number of boys
y=number of girls
(x+y)=number total of students
We can suggest the following system or equations:
x/y=4/5
y=95
Therefore:
x/95=4/5
x=(4*95)/5=76

(x+y)=76+95=171

Answer: there are 171 students in this school.

Answer Link

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