The lasagna recipe requires two pounds of ground beef for ever six cups of tomato sauce. How much beef is necessary if you only have one cup of tomato sauce?

5 answers

look at 2 pounds as 6/3 pounds, (or 6 portions of 1/3 pound of beef.) Then you have an even number to compare with 6 cups. if you only need 1 cup, then you only need 1/3 pound of beef.
One way to solve this is with a proportion. Cross multiply and solve for x.

2/6 = x/1

6x = 2

x = 2/6 = 1/3 pound
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