HEL The ratio of red marbles to green marbles in a package is 3 to 5. 25 green marbles are in the package. What is the smallest number of marbles, and of which color, would you have to add to the package of marbles so that the ratio of red to green marbles becomes 5 to 8?

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.

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step-by-step explanation:

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step-by-step explanation: