Mr. Thomas cooked 36 hamburgers and hot dogs at a cookout. He cooked twice as many hot dogs as hamburgers. How many hamburgers and hot dogs were cooked?
(Use Substitution)
A. (24 hamburgers, 12 hot dogs)

B. (12 hamburgers, 24 hot dogs)

C. (6 hamburgers, 12 hot dogs)

D. (12 hamburgers, 6 hot dogs)

b

Step-by-step explanation:

You would have twice as many hot dogs and 24 is two times 12 and if you add them you get 36.

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.

what is

step-by-step explanation: