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Bogdan [553]
2 years ago
12

If 10 percent of your day is spent studying, how many hours do you devote to studying? Use 24 hours as the length of a day.

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
5 0

Answer:

2 hours and 24 minutes (2.4 hours)

Step-by-step explanation:

Our output value is 24. We represent the unknown value with x. From step 1 above, 24=100, and x=10. This results in a pair of simple equations:

24=100%

x=10%

By dividing equation 1 by equation 2 and noting that the right hand sides of both equations have the same unit (%); we have:

\frac{24}{x}= \frac{100}{10}

Again, the reciprocal of both sides gives

\frac{-x}{24} = \frac{10}{100}

x=2.4

Therefore, x equals 2.4.

The 2 in 2.4 represents 2 hours. The 0.4 in 2.4 represents minutes, as there isn't enough to fill a full hour.

4/10ths of 60 is 24.

Therefore, you would be devoting 2 hours and 24 minutes to studying.

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A turtle can walk 1/12 of a kilometer in an hour.

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Now, to find the time it will take the turtle to reach the pond.

<u>Speed</u> of turtle  =  \frac{1}{12}\ kilometer\ per\ hour.

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