The ratio of the no.of boys and girls in a class is 9:5.Find the numbe

1.	The ratio of the no.of boys and girls in a class is 9:5.Find the number of boys if the total no.of students in the class is 42.Guys plz help me quick its very important..And plz don't give unwanted answers..I need step by step answers.
Answer» Answer = 27 Boys GIVEN : ↴ $\sf \: The \: ratio \: of \: the \: <klux>NUMBER</klux> \: of \: boys \: and \: girls \: in \: a \: class \: is \: 9 : 5.$ $\sf \: Total \: number \: of \: students \: in \: the \: class \: is \: 42.$ To Find : ↴ $\sf \: We \: need \: to \: find \: the \: number \: of \: boys.$ So, let's START : ↴ $\sf \: Boys \: = \: 9x$ $\sf \: Girls \: = \: 5x$ $\sf \longrightarrow \: 9x \: + \: 5x = 42$ $\sf \longrightarrow \: 14x \: = 42$ $\sf \longrightarrow \: x \: = \dfrac{42}{14}$ $\sf \longrightarrow \: x \: = \dfrac{ \cancel{42}}{\cancel{14}} = 3$ $\sf \: Till \: here \: We \: have \: just \: find \: the \: value \: of \: x$ $\sf \: Now, \: We \: will \: find \: the \: number \: of \: Boys.$ $\sf \: Number \: of \: Boys \: = \: 9 \times 3 \: = \: 27$ $\sf \: So, \: the \: No. \: of \: Boys \: = \: 27$ Answer = 27 Boys _________________________ Some More INFORMATION : ↴ $\sf \: \: The \: Number \: of \:Girls \: = \: 5 \times 3 = 15$ $\sf \: So, \: the \: No. \: of \: Girls \: = \: 15$ _________________________ Let's VERIFY Our Answer : ↴ To verify our Answer we have to add 27 and 15. If the sum of both the numbers is 42, then it means that our Answer is correct. So, Let's Check : ↴ $\sf \: 27 \: + \: 15 \: = \:42$ Hence the Number if Boys are 27 And the number of Gìrls are 15.