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1.06 Driver safety and blood alcohol content

Interactive practice questions

Consider the speeds $60$60 m/h and $60$60 km/h.

Is one speed faster than the other? If so, which is faster and why?

$60$60 km/h is faster. The object will travel $60000$60000 m every hour, which is further than $60$60 m in an hour.

A

No. They are both the same speed.

B

$60$60 m/h is faster. The object will travel $6000$6000 cm every hour, which is faster than $60$60 km in an hour.

C
Easy
< 1min

Consider the speeds $70$70 m/h and $70$70 m/s.

Easy
< 1min

Convert the following amounts into the units required, writing your answers correct to 2 decimal places where necessary:

Easy
5min

Maria travels by car for $420$420 km. The trip takes $10$10 hrs. What is the average speed of the trip?

Easy
< 1min
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MS11-6

makes predictions about everyday situations based on simple mathematical models

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