2/3 of student in the class are are boys and the the rest are 17 girls.(1) how many boys are there in the class?(2) what is the total strength off the class?
Answers
Answered by
2
Answer:
Let total strenghth=x
No. of boys=2/3 of x=2x/3
No. of girls=17
Now,(2x/3)+17=x
(2x+51)/3=x
2x+51=3x
51=3x-2x
x=51
No. of boys=(2/3)×51=34
So ,the total strenghth is 51 and no. of boys is 34
Answered by
1
Step-by-step explanation:
Let total strength of the class is X.
Then according to question,Boys=2/3of X
Girls=X-2/3 of X i.e.17
so strength of class is 51
boys=34
Attachments:
Similar questions
Math,
2 days ago
Computer Science,
2 days ago
English,
4 days ago
English,
8 months ago
English,
8 months ago