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3 years ago

7

Chris mows 30 lawns and earns $150. How much would he earn is he mowed 42 lawns?

2 answers:

AlekseyPX3 years ago

6 0

Answer:

$210

Step-by-step explanation:

$150/3 = $5 per lawn

42 x $5

$210

galina1969 [7]3 years ago

3 0

Answer:

210

Step-by-step explanation:

1 lawn he earns 150/30 which is 5

42 lawns is 42x5 which is 210

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Marat540 [252]

Answer:

$(x-5)(x+8)=x^2+3x-40$

Step-by-step explanation:

So we have the expression:

$(x-5)(x+8)$

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$=(x-5)(x)+(x-5)(8)$

Distribute:

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Combine like terms:

$=(x^2)+(-5x+8x)+(-40)$

Simplify:

$=x^2+3x-40$

Therefore:

$(x-5)(x+8)=x^2+3x-40$

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