In a classroom when the students sit 2 per bench, 11 students are left with no sits. And when they sit 3 per bench 7 benches are left empty. Determine the number of students in this classroom.


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Question Number 89898 by Ar Brandon last updated on 19/Apr/20

$I n a c l a s s r o o m w h e n t h e s t u d e n t s s i t$ $2 p e r b e n c h, 11 s t u d e n t s a r e l e f t w i t h$ $n o s i t s . A n d w h e n t h e y s i t 3 p e r b e n c h$ $7 b e n c h e s a r e l e f t e m p t y . D e t e r m i n e t h e n u m b e r$ $o f s t u d e n t s i n t h i s c l a s s r o o m .$
Commented by MJS last updated on 19/Apr/20

$s = 2 b + 11$ $b = \frac{s}{3} + 7$ $\Rightarrow 75 students and 32 benches$
Commented by Ar Brandon last updated on 20/Apr/20

$c o o l!$
Commented by Ar Brandon last updated on 20/Apr/20

$D o y o u h a v e a n i d e a o n h o w t o p r o c e e d w i t h Q 89906 p l e a s e ?$
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