Enrico owns a rooster farm, he sells each rooster for $0.50 per kilogram. He was able to sell a 30-kilogram rooster and a 40-kilogram rooster, how much money was he able to earn?
Enrico was able to sell the 30-kilogram rooster for 30 x 0.50 = $
<gadget id="calculator">30*0.50</gadget>
<output>15</output>
15.
And he was able to sell the 40-kilogram rooster for 40 x 0.50= $
<gadget id="calculator">40*0.50</gadget>
<output>20</output>
20.
Therefore, he was able to earn $20 + $15 = $
<gadget id="calculator">20+15</gadget>
<output>35</output>
35.

<result>35</result>