The time it takes to fly from Los Angeles to New York varies inversely as the speed of the plane. If

Mathematics

1 answer:

makvit [3.9K]2 years ago

3 0

Answer: speed is 540 km/h

Step-by-step explanation: Lets mark speed as v.

Because distenace is same, you can mark 6 h · 900 km/h = 10 h · v

and v = 5400 km / 10 h = 540 km/h.

Or using inverse proportions : 10 h / 6 h = v / 900 km/h .

Before multiplying you turn lastproportion around :

10 h / 6 h = 600 km/ h / v ,which gives 10 v = 6 · 900 km/h

and result is same

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