Answer: 0.25 pound of beef are needed to make 80 meals.
Explanation:
Given : A recipe for beef fajitas uses 5 pounds of beef to make 20 meals.
Then the of beef required for 1 mesal = ( 5 pounds) ÷ 20
=
pound
=0.25 pound
Hence, 0.25 pound of beef are needed to make 80 meals.