If a man buys 20 lollipops for $90 and sold them for $2 dollars determine his loss.  Select.
A) $ 40.
B) $ 50.
C) $ 60.
D) $ 70.
E) None
Solution:   Cost of 20 lollipops = $90   Sold each lollipop for $2   So he sold 20 lollipops for $(20 × 2) = $40   Loss = $(90 – 40) = $50   Therefore, loss = $ 50.   Answer $ 50.
<result>B</result>
If a man buys 20 lollipops for $90 and sold them for $2 dollars determine his loss.