Five friends will pay $9 per ticket, $3 per drink, and $6 per popcorn at the movies. write an expression that could be used to determine the cost for them to go to the movies

$18n

Step-by-step explanation:

an individual will spend $(9+3+6) =$18

therefore, n friends will spend n*$18 = $18n

where n is the number of friends

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

75%

step-by-step explanation: