ratio of boys and girls in a class is 3 ratio 4 there are are 120 girls more than boys what is the total number of students in the class
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Answer:
840 students
Step-by-step explanation:
ratio of boys:girls=3:4
No. of boys=x
No. of girls=120+x
3:4=x:120+x
3(120+x)=4x
360+3x=4x
360=x
therefore no. of boys =360
no. of girls=120+x=120+360=480
total no. of students=360+480=840
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