Question

Samuel can type nearly 40 words per minute. Use this information to find the number of hours it would take him to type 3.8 x 10 words. Samuel can type 3.8 x 10 words in hours and minutes.

Answer 1

Rate = 40 words per mins

Need to type =

`3.8*10^5`

words.

10^5 means take the decimal 5 digits to the right, so that means:

380000 words

Now, we divide total words by wpm rate and get the answer (time in minutes).

Hence,

380000/40 = 9500 minutes

Since 1 hr = 60 min, we divide by 60 to get hours:

9500/60 = 158.33 hours

Now, the fractional part 0.33 means 1/3.

So, that's 1/3rd of an hour.

1/3 * 60 = 20 minutes

Final Answer = 158 hours and 20 minutes