Answer:
6 cups!
Explanation:
1.5/5 = x/20
Take 20 and multiply it by both sides
(1.5/5) * 20 = 6
OR
1.5/5 = 0.3 (Meaning 0.3 cups feeds one person)
Multiply 0.3 cups * 20 to get the amount of cups needed for 20 people
0.3 * 20 = 6 cups
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