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grin007 [14]
3 years ago
6

How many km per hour must you swim if you want to cross a 5-km channel in 4 hours?

Mathematics
2 answers:
ELEN [110]3 years ago
6 0
The amount you mus swim is 1.25 km an hour

hodyreva [135]3 years ago
5 0
The actual answers is that you would have to swim at 1.25 mph to reach your goal. 48 minutes pet km!
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3 years ago
A patrolman spends 25% every day completing paperwork. The patrolman’s shift each day is 8 hours. How much of his time does he s
fredd [130]
Assuming the man works 8 hours straight without breaks:

25% is the same as 1/4 of something.

So, we just have to figure out what 1/4 (one quarter) of 8 equals.

You can think of it as a pizza cut into 8 slices. One slice is equivalent to one hour for the patrolman.

If we take away 1/2 (half) of the pizza, we have 4 slices, right? Since we start with 8 slices, half of that equals 4 slices. In other words, 50% (half) of the pizza = 4 slices.

Now, 25% (one quarter) of the pizza will equal half of what is left:

If we know that 50%=4 slices (or 4 hours), then 25% must be 2 slices (or 2 hours).

That's it! 25% of 8 hours = 2 hours.

***So, the patrolman spends 2 hours each day completing paperwork.***

Lets check our work:
We know 8 hours (or 8 slices)= 100%
(We know this because
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So

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Hope this helps!



4 0
3 years ago
PLEASE HELP The toll to cross a bridge is $1.25. If $72.50
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Answer:

58

Step-by-step explanation:

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6 0
2 years ago
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3 0
3 years ago
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A single drink would cost be $1.55. This is because:
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Hope this helped.
3 0
3 years ago
Read 2 more answers
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