A shopkeeper sold an article at $1200 and gained a 20% profit. What was the cost price? Choose the correct choice from the following choices.
A) $1000
B) $1020
C) $1040
D) $1060
E) $1080
Let x be the cost price.   1.2x = 1200   x = 1200/1.2= 
<gadget id="calculator">1200/1.2</gadget>
<output>1_000</output>
1000   The answer is $1000.
<result>A</result>
A shopkeeper sold an article at $1200 and gained a 20% profit. What was the cost price?