3 years ago

Help please? not sure about this

Mathematics

1 answer:

zimovet [89]3 years ago

8 0

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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2 years ago

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