Answer :
[tex]100 \% + 40 \% =140 \% \\ \\ 140 \% - 112 \ cars \\ \\ 100\% - x \\ \\ x=\frac{112\cdot 100\%}{140\%} =\frac{11200}{140} = 80 \ cars \\ \\Answer : \ were \ sold \ last \ month \ 80 \ cars[/tex]
Let the last month sold car be x
112=40% of x+x
so by solving it easily u get ur answer n x=80
