The year the greek city of helike disappeared is -1/5 times the year the us civil war ended. let w represent the year the civil war ended. write an expression in terms of w to represent the year of helike’s disappearance.

The expression in terms of w to represent the year of Helike’s disappearance is

Step-by-step explanation:

Let w represent the year the Civil War ended.

Since, The year the Greek city of Helike disappeared is -1/5 times the year the US Civil War ended.

Then, The year the Greek city of Helike disappeared =

Hence, The expression in terms of w to represent the year of Helike’s disappearance =

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles