To make a profit of $2000, Isaias has to sell the chickens he planned to take to the market from his farm at $50 per chicken. If Isaias has 300 chickens on his farm and plans to sell 3/5 of them, for how much money did Isaias buy the chicken he took to the market for sale?
Isaias plans to sell 3/5*300 = 
<gadget id="calculator">3/5*300</gadget>
<output>180</output>
180 chickens from his farm.
To make his profit, Isaias sells all the chicken he took to the market for $50*180 = $
<gadget id="calculator">50*180</gadget>
<output>9_000</output>
9000.
The price at which Isaias bought the chicken is $9000-$2000 = $
<gadget id="calculator">9000-2000</gadget>
<output>7_000</output>
7000.

<result>7_000</result>