contestada

As mars revolves around the sun, it travels at a rate of approximately 15 miles per second. convert this rate to kilometers per second. at this rate, how many kilometers will mars travel in 20 seconds? assume that 1 mile is equal to 1.6 kilometers. don't round your answer

Respuesta :

TheBlueLight
First count how many miles for 20 seconds
15*20=300
Now assuming that a mile is 1.6 km than
300*1.6=480km

Methode 2
Fimd the rate km/s
15*1.6=1*15+0.6*15=15+9=24
than multiply by 12
24*12=480

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