Question

The equation 10x + 12 = $72.00 shows the total cost for x people attending a concert. How many people attended the concert

A) 4 people
B) 5 people
C) 6 people
D) 8 people

Answer 1

10x + 12 = 72
10x + (12 - 12) = (72 - 12)
10x = 60
10x / 10 = 60 / 10
x = 6
Answer: C) 6 people