In a school, a few classrooms have 35 chairs while others have 30. The total number of chairs in ten classrooms is 330. How many classrooms have 35 chairs?
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6 class room have 35 chair where as 4 classroom have 30 chairs
maya291:
can u explain sir
yes plz wait 2mins i will write in a copy and send picture
i am not able to send pic so i cam send equations are 35x +30y=330 and x + y=10
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