Question

Which of the following statements is false?

a. A night club charges a $5 cover charge and $4 per drink. The amount of money a
customer spends is directly proportional to the number of drinks ordered.
b. The cost, C, of buying g gallons of gasoline at the local convenience store is directly
proportional to the number of gallons purchased.
c. A worker earns $10 per hour. The worker’s weekly earnings are directly proportional to
the number of hours worked.
d. A worker is paid a flat fee of $200 to clean out an abandoned apartment. The worker’s
average hourly wage is inversely proportional to the number of hours worked cleaning out
the apartment.

Answer 1

a. A night club charges a $5 cover charge and $4 per drink. The amount of money a

customer spends is directly proportional to the number of drinks ordered.

the cover charge is not related to the number of drinks, so it is not directly proportional.