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AlladinOne [14]
3 years ago
11

Kim finished a race in 48.47 seconds. This is 9.7 seconds faster than her practice time. What was Kim's practice time? A 38.77 s

econds B 47.50 seconds C 49.44 seconds D 58.17 seconds
Mathematics
2 answers:
Anit [1.1K]3 years ago
5 0

Answer:

38.77 seconds

Step-by-step explanation:

Given that,

Kim finished a race in 48.47 seconds.

This is 9.7 seconds faster than her practice time.

We need to find Kim's practice time.

Finished time =  9.7 + (practice time)

i.e.

Practice time = (Finished time-9.7)

= 48.47 - 9.7

= 38.77 seconds

Hence, the practice time is 38.77 seconds.

ludmilkaskok [199]3 years ago
4 0

Answer:

58.17 seconds

Step-by-step explanation:

48.47 + 9.7 = 58.17

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<h2>Explanation:</h2>

Rounding to the nearest cent is the same as rounding to the nearest hundredth. In order to round this way, you must use the thousandths place so that you can know whether hundredths place rounds up or stays the same.

So the rules is as follows:

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For example:

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4 years ago
Emma has 5 3/8 punds of potato salad and 2 7/8 pounds of egg salad for a picnic. How many more pounds of potato salad than egg s
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<u>Answer:</u>

The correct answer option is C. 2\frac{1}{2} pounds

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We are to find out how much more pounds Emma has of potato salad than the egg salad.

To find this, we simple need to subtract the pounds of egg salad from the pounds of potato salad.

5\frac{3}{8} - 5\frac{3}{8} =\frac{43}{8} -\frac{23}{8} =\frac{43-23}{8} = 2\frac{1}{2} pounds

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Answer:

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