Question

The electric company took a survey of its customers and found that 91of 100 people said that they were pleased with their service. The phone company has 8000 customers. What is a good prediction of the number of customers that are satisfied? A. 7580 customers B. 7280 customers C. 7080 customers D. 7208 customers

Answer 1

Do this:
91/100 = x/8000 Then cross multiply to get
100x = 728,000 Then Divide on both sides by 100 to get
x = 7,280
The answer is B. 7,280