Answer: He can make 9 hamburgers.
Step-by-step explanation:
one hamburger can be made by 1/3 of beef,
so according to ratio and proportions ,
1 beef can make 3 hamburgers,
hence 3 pound of beef can be used to make
=3*3
=9 hamburgers
hence,
He can make 9 hamburgers.
learn more about ratio and proportion here
https://brainly.com/question/28502536
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Answer:1
Step-by-step explanation: firstly , divide 3 by 1\3 then 3÷1\3=1
