35 girls and boys have planned for a walk. there is a ratio of 5 girls to 2 boys. how many boys are there?
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Answered by
1
total number boys and girls =70
5x+2x=70
7x =70
x=10
no.of boys =2x
20
5x+2x=70
7x =70
x=10
no.of boys =2x
20
Answered by
3
total number of students=35
ratio of boys and girls=2:5
let the boys be 2x
let the girls be 5x
equation =2x+5x=35
=7x=35
=x=35/7
=x=5
boys =2x=2×5=10
girls =5x=5×5=25
ratio of boys and girls=2:5
let the boys be 2x
let the girls be 5x
equation =2x+5x=35
=7x=35
=x=35/7
=x=5
boys =2x=2×5=10
girls =5x=5×5=25
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