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Lina20 [59]
3 years ago
5

Sam spends 12.5% of his day doing homework. There are 24 total hours in one day. Which proportion could be used to calculate the

number of hours Sam spends doing homework?
Mathematics
2 answers:
joja [24]3 years ago
7 0
12.5      x
------ = -----
100      24

Sam spent 3 hours doing his homework.


otez555 [7]3 years ago
6 0
Homework =  12.5% of 24 hours  = 0.125 x 24  = 3 hours

Sam spent <u>3 hours</u> on homework.

Proportion of the time spent on homework = 3/24 = 1/8

Answer: Same spent 1/8 of his day on homework.
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Step-by-step explanation:

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3 years ago
the temper ire of chicken soup is 192.7 F as it cools the temperature of the soup decreases 2.3 what is the temperature of the s
ad-work [718]

The temperature of soup after 25 minutes is 135.2^{\circ}\ F

<em><u>Solution:</u></em>

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As it cools, the temperature of the soup decreases 2.3°F per minute

Let the initial temperature be T_0

Let "t" be the time for rate of decrease

Set up an equation

Temperature = Initial temperature - decrease in temperature

Decrease in temperature = rate of decrease x time

Therefore,

T = T_0-2.3t

<em><u>To find the temperature of soup after 25 minutes, substitute t = 25</u></em>

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Thus the temperature of soup after 25 minutes is 135.2^{\circ}\ F

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