Diana bought a total of 22 items including boxes of pizza and sodas for an upcoming event. Each box of pizza cost $8.00 and each soda cost $1.50. If diana spent a total of $137, which of the following is a true statement

Boxes of pizza: 16

Sodas: 6

Step-by-step explanation:

Use system to solve:

x : boxes of pizza

y: soda

x + y = 20

8x + 1.5y = 137

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.