Two quarts containing 4⁄5 water and 2⁄5 formula are mixed with three quarts containing 7⁄10 water and 2⁄10 formula. Approximately what percent of the combined five-quart mixture is water?  Pick one
A) 50% B) 58% C) 54% D) 53% E) 52%
4/5 of 2 quarts = 4/5 quarts of water   7/10of 3 quarts = 21/10 quarts of water    4/5= 
<gadget id="calculator"> 4/5</gadget>
<output>4/5 = around 0.8</output>
0.8   21/10= 
<gadget id="calculator">21/10</gadget>
<output>21/10 = around 2.1</output>
2.1   Total water= 0.8 + 2.1= 
<gadget id="calculator">0.8 + 2.1</gadget>
<output>2.9</output>
2.9   Total quarts= 5   2.9/5 = 58%   Answer : 58%
<result>B</result>
Two quarts containing 4⁄5 water and 2⁄5 formula are mixed with three quarts containing 7⁄10 water and 2⁄10 formula. Approximately what percent of the combined five-quart mixture is water?