What is 80 minutes in hours

Asked by maham237 @ in Mathematics viewed by 322 People

14. The number of hours in 80 minutes is 80\60. Which of these statements is true?
Select all that apply.
The number of hours in decimal form is 1.3.
The amount of time is a full hour and1\3 hour
The number of hours is a terminating decimal.
The number of hours is between 1 and 1.35
Dividing 6 by 8 will give the correct decimal value.​

Answered by maham237 @


For this case we have that in 80 min there are:

\frac {80} {60} = \frac {8} {6} = \frac {4} {3} = 1.333333\ hours

Then, according to the options:

  • The number of hours in decimal form is 1.3?

No, in decimal form it is 1.333333

  • The amount of time is one full hour and \ frac {1} {3} hours?

Yes, 1 hour and\frac {1} {3} hour is equivalent to 1.333333

  • Is the number of hours a final decimal?

No, it is a periodic decimal number.

  • The number of hours is between 1 and 1.35?

Yes, the resulting number belongs to that range.

  • Dividing 6 by 8 will give the correct decimal value?

No, you must divide\frac {8} {6}

Answer:

Option B, D


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