Oranges cost $0.50 each, and apples cost $1.00 each. Select all the combinations of oranges and apples that Alex could buy for exactly $3.50.
2 oranges and 2 apples
3 oranges and 2 apples
1 orange and 2 apples
1 orange and 3 apples
5 oranges and 2 apples
5 oranges and 1 apples

5 oranges and 1 apple

Step-by-step explanation:

0.50 times 5 equals 2.50 then and 1 more apple will get you to 3.50.

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.

2,160 π

step-by-step explanation: