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natita [175]
3 years ago
15

Julia completes her homework in an hour. She spends 7/12 of the time doing her math homework and 1/6 of the time practicing her

spelling words. The rest of the time she spends reading. How many minutes does Julia spend reading?
Mathematics
1 answer:
dsp733 years ago
4 0

Answer:

15 min

Step-by-step explanation:

Julia spends \frac{7}{12} in math.

and spends \frac{1}{6} in spelling.

Lets make \frac{1}{6}*2=\frac{2}{12} for calculation propuses.

Julia spends \frac{7}{12} +\frac{2}{6}=\frac{9}{12} doing her math and spelling homework.

And lets make 1 hour =\frac{12}{12}

\frac{12}{12}-\frac{9}{12} =\frac{3}{12} and \frac{3}{12} / 3 =\frac{1}{4}

So, Julia spends \frac{1}{4}  hour in reading.

If I divide an hour into 4 equal units, each unit equals 15 min, so 1 unit is 15 min.

Julia spends 15 min in reading.

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