Question

2) In a class of 15 students, the number of boys is three less than twice the
number of girls. How many boys are there in the class? pls by method and fast​

Answer 1

Answer:

Hey mate, Good morning ♡

# Here's ur answer ☆☆☆

Step-by-step explanation:

$let \: boys \: be \: x \: and \: girls \: be \: y$

$we \: know \: x + y = 15 \\ 2y - 3 + y = 15 \: (x = 2y - 3)\\ 3y - 3 = 15 \\ 3y = 18 \\ y = 6 \\ x = 2(6) - 3 = 9$

$hence \: no. \: of \: boys = 9 \\ no. \: of \: girls = 6$

Hope this helps u....

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