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Darina [25.2K]
3 years ago
13

Express the following as percentages. (i) 12 hours in 3 days

Mathematics
2 answers:
Karolina [17]3 years ago
8 0

Answer:

16 2/3 %

Step-by-step explanation:

To put this in a percentage, they need to have the same units.

Let convert days to hours

1 day = 24 hours

Multiply by 3

3 days = 72 hours


The percentage is part over whole

12 hours / 72 hours

We can simplify by dividing top and bottom by 12

1/6

This is a fraction, change this to a decimal

.166666666

Now multiply by 100

16.666666 %

16 2/3 %

Zolol [24]3 years ago
6 0
Hope it helps you buddy

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2 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
You can text 44 words in 1 minute. Write a proportion to help you find
Natalka [10]

Answer:

176 words

Step-by-step explanation:

1) well we want to find the amount of words we'd be able to type in 4 minutes. so, what i did was:

<u>44 words</u> = <u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>x</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>

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2) now look at how i set up the proportion, notice how i left a variable of x for the value i didn't know.

3) we also know that 1 times 4 is 4, so it'd also make sense to also multiply the numerator by 4 too!!

4) multiplying 44 by 4 would get us our answer which is 176

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Answer:

b

Step-by-step explanation:

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At the grocery store, Matthew notices that it costs $2.48 for 40 ounces of jelly. What is the unit price?
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Step-by-step explanation:

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