please solve this fast to get brainliest answer
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may it will help you
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cost of pen is rs 5 and cost of pencil is Rs 3
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let the number of girls and boys take part of math quiz be x and y
therefore according to question
x+y=10(1)
4x+y=10(2)
let the number of pens be x
and let number of pencil be y
according to question
7x+5y=50
5x+7y=46
here are the equation
therefore according to question
x+y=10(1)
4x+y=10(2)
let the number of pens be x
and let number of pencil be y
according to question
7x+5y=50
5x+7y=46
here are the equation
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