collinnaiah collinnaiah

09-01-2018
Mathematics

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There are 600 students in a school. The ratio of boys to girls is 3:5. How many boys and how many girls are there?

There are 600 students in a school The ratio of boys to girls is 35 How many boys and how many girls are there class=

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Аноним Аноним

09-01-2018

Add both amounts together but both multiplied by an unknown value, x.
3x+5x=600
8x=600
8x/8=600/8
x=75
3(75)=225
225 boys
5(75)=375
375 girls

225 boys and 375 girls

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