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ryzh [129]
3 years ago
5

The snow is now 52 inches deep. If this was a 77% decrease, what was the initial depth? What equation can help you find this?

Mathematics
1 answer:
IrinaVladis [17]3 years ago
7 0

Answer:

The required equation is:

0.23x = 52

Hence, option A is true.

Step-by-step explanation:

Given

Let 'x' be the initial depth

The snow is now 52 inches deep and it is a 77% decrease.

Let the initial 'x' depth be represented as 100%.

x → 100%

Given the current 52 inches is a 77% decrease. So, we need to decrease the 77/100 or 0.77 from the initial depth, so

[100% - 77%] of x = 52

[100/100 - 77/100] × x = 52

[1 - 0.77] × x = 52

0.23x = 52

Therefore, the required equation is:

0.23x = 52

Hence, option A is true.

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Step-by-step explanation:

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Let the required number be x.

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let number of boys be 11x and girls be 9x.

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Read 2 more answers
Two rectangles are similar. The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is
Margarita [4]

Answer:

Its length is 37.5 cm.

Step-by-step explanation:

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The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is 25 cm.

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