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2 years ago

10

Mary is doing research on bird migration. Last week she counted 12 migration birds in her yard. This week she counted 10. What w

as the percent decrease in birds this week?

1 answer:

Maksim231197 [3]2 years ago

3 0

16.67% decrease in birds per weeks

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Last option

Step-by-step explanation:

Step 1: Write out expression

2p - 7p² - 5p + 6p²

Step 2: Combine like terms (p²)

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Step 3: Combine like terms (p)

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Step 4: Rewrite

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