According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 4 cans of water to make orange juice. How many 12 ounce cans of concentrate are required to prepare 180 six-ounce servings of orange juice?	Options
A) 15  B) 18  C) 21  D) 24  E) 27
1 X 12 ounce can of concentrate + 4 X 12 ounce cans of water = 60 ounces of the mixture.   60 ounces of mixture gives  (60 / 6 )= 
<gadget id="calculator"> (60 / 6 )</gadget>
<output>10</output>
10 servings.   Thus 1 x 12 ounce can of concentrate is used to produce 10 servings of the mixture.   To make 180 servings of the mixture, we need 180 / 10= 
<gadget id="calculator">180 / 10</gadget>
<output>18</output>
18 cans of the concentrate.   The answer is 18.
<result>B</result>
According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 4 cans of water to make orange juice. How many 12 ounce cans of concentrate are required to prepare 180 six-ounce servings of orange juice?