Question

The ratio of boys to girls in a classroom is 2.3 there are 30 students in the class how many students are boys

Answer 1

A.T.Q

2x+3x=30

5x=30

5x=30X=30/5

x=6

x=6no.of boys=2*6=12

x=6no.of boys=2*6=12no.of girls=3*6=18

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*6

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*612+18

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*612+1830

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*612+1830R.H.S

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*612+1830R.H.S30

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*612+1830R.H.S30L.H.S=R.H.S

x=6no.of boys=2*6=12no.of girls=3*6=18Hence,no. of boys is 12Verification2x+3x=30L.H.S2x+3x2*6+3*612+1830R.H.S30L.H.S=R.H.SVerified.