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(a) The length of a rectangle is four meters less than twice it's width. If the area of the rectangle is 96 square meters what is the width?

 

(b) A student has some $1 and $5 bills in his wallet. He has a total of 19 bills and that are worth $55. how many of each type of bill does he have

 Sep 3, 2020
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A     l x w = 96

       (2w - 4) x w = 96      solve for w   

 

B    1 x    + 5(19-x) = 55       solve for x = number of $1 bills    then $5 bills = 19-x

 Sep 3, 2020

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