-3z-z answer please fast

Mathematics

1 answer:

ch4aika [34]3 years ago

4 0

Answer:

-4z

Step-by-step explanation:

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Joey has a full 40 coins consisting of only quarters and nickels if the total value is $5.00 how many of each does joey have.

Archy [21]

Q + n = 40....q = 40 - n
0.25q + 0.05n = 5

0.25(40 - n) + 0.05n = 5
10 - 0.25n + 0.05n = 5
-0.25n + 0.05n = 5 - 10
- 0.20n = -5
n = -5 / -0.20
n = 25 <=== 25 nickels

q + n = 40
q + 25 = 40
q = 40 - 25
q = 15 <== 15 quarters

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Zigmanuir [339]

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A.<br> Create a model to show 2 x 5.

Rzqust [24]

Answer: You meant a picture?

Step-by-step explanation: The model is here:

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-3z-z answer please fast​

-3z-z answer please fast