CBSE Class 10 Answered
Express as linear equation : the total strength of a class is 56, and the twice the number of boys is equal to 5 times the number of girls.
Asked by KONDA VENKATA KHEERTHANA | 04 May, 2018, 10:54: AM
Expert Answer
Let x be the number of boys in a class and y be the number of girls in a class.
Total strength of a class = 56
x + y = 56...........(i)
According to the question,
2 × number of boys = 5 × number of girls
2x = 5y
x = 5y/2
Put it in (i)
5y/2 + y = 56
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