Question

the ratio of the number of boys and girls in a school is 2:5 .If there are350 boys in school, find the total student in the school.​

Answer 1

Answer:

Step-by-step explanation:

let the number be x

2x+5x=350

x=350/7

x=50

boys=100

girls=250

Answer 2

Answer:

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Step-by-step explanation:

2:5=350:x

product of means=product of extreme

2×x=5×350

x=5×350/2

x=825