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Question Number 12829 by tawa last updated on 03/May/17

	Answered by mrW1 last updated on 03/May/17

	$(1)$ ${l e t}^{'} s s a y t h e m e a n m a r k o f t h e 6 s t u d e n t s$ $w h o p a s s e d i s x .$ $t h e t o t a l m a r k o f t h e 2 s t u d e n t s w h o$ $f a i l e d i s y .$ $y ⩽ 2 \times 44 = 88$ $8 \times 53 = 6 x + y ⩽ 6 x + 2 \times 44$ $x ⩾ \frac{8 \times 53 - 2 \times 44}{6} = 56$
	Commented by tawa last updated on 03/May/17

	$God bless you sir$
	Answered by mrW1 last updated on 03/May/17

	$(2)$ $48 < \frac{45 + x}{2} < 52$ $2 \times 48 - 45 < x < 2 \times 52 - 45$ $51 < x < 57$ $52 ⩽ x ⩽ 56$
	Commented by tawa last updated on 03/May/17

	$I really appreciate . God bless you sir .$
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