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.
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Answer:
k
Step-by-step explanation:
boys are 8 so
7÷8×12
what ever ans will then
5÷the ans of the boys equation will come here × 12 ans will be her
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Answered by
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Step-by-step explanation:
Let the no of boys be 7x
girls be 5x
a/q 7x-8=5x
=> 7x-5x=8
=>2x=8
=>x=8/2
x=4
so no of boys =7x=7*4=28
no of girls=5x=5*4=20
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