Question

A restaurant has 10 booths that will seat up to 4 people each. If 20 people are seated in booths, and NO booths are empty, what is the greatest possible number of booths that could be filled with 4 people?

Answer 1

x+y=10
4x+10-y=20
y=10-y
4x+10-x=20
3x=20-10=10
x=10/3= 3.33
Round down(x)=3

Answer 2

Answer: 3

Explanation: