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4 years ago

9

Sarah wants to harvest the wheat in a 20 acre field in two days. If on the first day Sarah harvests 8 acres, what percent of the

field must she complete on the second day?

1 answer:

bazaltina [42]4 years ago

3 0

12 percent I hope this helped a lot

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The solution for the first one is 1
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Answer:

B) $(-1.4z+0.7)\times 40$

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Step-by-step explanation:

Given expression:

$-56z+28$

To find the equivalent expression.

We will evaluate each expression in the given choices to check the equivalence.

A) $\frac{1}{2}(-28x+14)$

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⇒ $\frac{-28z}{2}+\frac{14}{2}$

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Using distribution.

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Using distribution.

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Using distribution.

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⇒ $-56z+28$

E) $-2(-28z-14)$

Using distribution.

⇒ $(-2(-28z))+(-2(-14))$

⇒ $56z+28$

From the choices evaluated, we find that the expressions in choices B and D are equivalent

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