Five percent of a certain grass seed is timothy. If the amount of the mixture needed to plant one acre contains 2 pounds of timothy, how many acres can be planted with 800 pounds of the seed mixture?
Choose the correct option:
A) 6
B) 12
C) 20
D) 24
E) 120
If the mixture contains 2 pounds of timothy, the mixture must be 40 pounds.   Thus we need 40 pounds of mixture per acre.   800 / 40= 
<gadget id="calculator">800 / 40</gadget>
<output>20</output>
20 acres   The answer is 20.
<result>C</result>
Five percent of a certain grass seed is timothy. If the amount of the mixture needed to plant one acre contains 2 pounds of timothy, how many acres can be planted with 800 pounds of the seed mixture?