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vovangra [49]
3 years ago
14

A number b is greater than or equal to 4 and at most 13

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

b is greater than or equal to 4:   4 ≤  b

and at most 13  : b ≤ 13

4 ≤ b ≤ 13

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Answer:

1/15 of their time is free time.

Step-by-step explanation:

To find the answer to this 2-step problem, we have to add all the fractions up, then find how much of that time is not part of the fraction.

So to add all the fractions, you have the equation:

1/4 + 3/5 + 1/12

The first thing we have to do is to find a common denominator.

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56/60=14/15

Now that we know how long it is to do all the other activities, it tells us that the rest of the time is free time. To find the rest of the time, we have to do:

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