Answer:
The answer is C
Step-by-step explanation:
Answer:
240kmh
Step-by-step explanation:
The distance that the train traveled in 30s is the difference of the total length of the tunnel and the train (2000m). This means it travels 2000m/30s. This ratio is the same as 240000/3600s or 240km/1hr.
Answer:
its because 1966 pennies are made from 95% copper and 5% zinc but they are mainly worth 10 to 20 cents each penny.
Step-by-step explanation: