the ratio of girls and boys in class is 1:3 set an equation between the student of a class and boys and then draw it's graph also find the number of boys in a class of boys in a class of 40 students from the graph
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Let 1x and 3x be for boys and girls respectively.
1x + 3× =40
4X = 40
X = 40 ÷10
X=10.
Therefore , total number of boys in a class = 10 and that of girls (3 × 10 ) =30.
draw this at the graph paper yourself.
1x + 3× =40
4X = 40
X = 40 ÷10
X=10.
Therefore , total number of boys in a class = 10 and that of girls (3 × 10 ) =30.
draw this at the graph paper yourself.
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