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 480 pounds of the seed mixture?  Answers: 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.   480 / 40= 
<gadget id="calculator">480 / 40</gadget>
<output>12</output>
12 acres   The answer is 12.
<result>B</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 480 pounds of the seed mixture?