bri22792 bri22792
  • 12-02-2021
  • Mathematics
contestada

help please? not sure about this

help please not sure about this class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 14-02-2021

9514 1404 393

Answer:

  72 kph

Step-by-step explanation:

The first sentence tells you the speeds are proportional. So, you can write the proportion ...

  kph/mph = 120/75 = x/45

Multiplying by 45 gives x:

  x = (45)(120/75) = 72

72 kph is 45 mph.

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