Question

The sum of 7 times the number of boys and 6 times the number of girls in a class is

180. Which of the following linear equations in two variables represents the given​

Answer 1

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7x+6y=180

Step-by-step explanation:

let the number of boys be x

let the number of girls be y

then,

7x+6y=180

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Answer 2

Answer :

• 7x + 6x = 180 is the Linear equation in two variables

Given :

• The sum of 7 times the number of boys
• 6 times is the number of girls
• Total is 180 in a class

To find :

• Linear equation in two variables

Solution :

• Let the number of boys be x
• Let the number of girls be y

• Number of boys is 7 times
• Number of girls is 6 times
• Total number is 180

According to question,

Now we have to write in Linear equation in two variables :

》7x + 6x = 180

Hence , 7x + 6x = 180 is the Linear equation in two variables

More Explanation :

• The pair of values of the variables x and y which together satisfy each one of the equation is called the Solution for a pair of linear equation
• A pair of linear equation in two variables can be solved using various methods
• A graph of linear equation in two variables is represented by two lines