4.
of the students in a class are boys and the rest are 17 girls.
3.
(i) How many boys are there in the class?
(ii) What is the total strength of the class?
Answers
Answered by
2
(I) answer 17 boys in there class.
(ii) answer total strength of the class is 34
Answered by
1
Step-by-step explanation:
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.
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