Carmen has 60 cupcakes in her bakery case. • 1/2 of the cupcakes are chocolate.
• 1/4 of the cupcakes are strawberry.
• 1/10 of the cupcakes are banana.
• The rest of the cupcakes are vanilla.
How many cupcakes are vanilla?
A. 51
B. 17
C. 3
D. 9
PLEASE SHOW WOR

answer is 144

step-by-step explanation:

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.