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Sedbober [7]
3 years ago
12

There are 90 total days in winter. If it snowed on 30% of the days, on how many days of winter did it snow?

Mathematics
2 answers:
olganol [36]3 years ago
7 0

Answer:

27 days

Step-by-step explanation:

Well, there's two ways we could do this (which I do). One way is easier with a calculator, one is useful when you cannot use a calculator.

<u>EASY CALCULATOR METHOD</u>

30% as a decimal is 0.3, so if you multiply 90 by 0.3, you can easily find 30%. So:

<em>90 x 0.3 = 27 days.</em>

<u>NON CALCULATOR METHOD</u>

To find 10% of something, we divide the original value by 10. Therefore, we just need to find 10% and multiply that value by 3 to get 30%. So:

<em>90/10 = 9 days (10%)</em>

<em>9 x 3 = 27 days (30%)</em>

<em />

Either way both give you the same answer of 27 days.

Artemon [7]3 years ago
4 0

Answer:

27

Step-by-step explanation:

30%=0.3 in decimal form

90×0.3=27

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