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10 The number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more than the number of girls. What is the total class strength?Chapter :- Liner equation |
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Answer» Answer: Because their RATIO is given as 7 : 5. So, the strength of the class will be = number of boys in class + number of girls in class = 7X + 5x = 12x. Now, we KNOW that it is given in the QUESTION that the number of boys is 8 more than the number of girls. So, the number of boys should be equal to 7x =7*4 = 28. |
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