Question 1087404

length of hall is 12 m less than 10 times the width of the hall is 143 long what is the width
<pre>If it's what I think it says, then: Length = 10W - 12, with W being width
Substitute 143 for length, and you should get a width of: {{{highlight_green(matrix(1,2, 15.5, m))}}}