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Lady_Fox [76]
3 years ago
7

in a pepper airplane contest, amanda's plane flew 19ft farther than Darren's plane.Darren's plane flew twice as far as Rachel's

plane. Rachael's plane flew 20ft.how far did Amanda's plane fly?
Mathematics
1 answer:
maw [93]3 years ago
4 0

Answer:

Amanda's plane flew 59ft

Step-by-step explanation:

So you make simple formulas for this A= Amanda D= Darren and R= Rachel

Darren's is twice as far as Rachel's so D=2R

Amanda's when 19 more feet than Darren's so A=D+19

Then you plug in, you know R=20

D=2R          D=2*20     D=40

A=D+19      A=40+19    A=59

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8 0
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Melissa's employer matches retirement funds 1:2 up to 6% of salary. She makes $55,000 per year. How much should she contribute t
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Answer: $1100

Step-by-step explanation:

The employer contributes, along with Melissa, in the ratio of 1:2

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3 years ago
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2 years ago
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Cerrena [4.2K]

Answer:

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Step-by-step explanation:

Part 1)

we know that

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Part 2)

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substitute

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Step-by-step explanation:

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