Question

ratio between the numbers of boys and girls in an institution is 5.3. if the number of girls is 90,find the total number of students in the institution?

Answer 1

Answer:

TOTAL NUMBER OF STUDENTS IN  THE INSTITUTION = 240

Step-by-step explanation:

LET THE COMMON FACTOR BE = X

NUMBER OF BOYS= 5X

NUMBER OF GIRLS= 3X

TOTAL NUMBER OF GIRLS= 90

NUMBER OF GIRLS:-

3X=90

X=90/3

X= 30

NUMBER OF BOYS:-

5X=5xX

= 5x30

=150

TOTAL NUMBER OF STUDENTS IN THE INSTITUTION= NUMBER OF BOYS+ NUMBER OF GIRLS

= 90+150

= 240

THEREFORE, 240 IS THE ANSWER

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