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A jar contains "q" quarters and "d" dimes. There are 7 coins in the jar and the total value of the coins is $1.00
Which system of equations can be used to find how many of each type of coin is in the jar.

A. 0.25q + 0.10d = 1.00

q + d =7



B. 0.25q + 0.10d= 7.00

q + d = 1



C. 0.10q + 0.25d = 1.00

q + d = 7



D. 25q + 10d = 1

q + d = 7

Respuesta :

zack28030

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Answer: A

Explanation: Its the only one that is correct

I hope this helped!

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- Zack Slocum

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Aewright8383

Answer:  

A. 0.25q + 0.10d = 1.00

q + d =7

Step-by-step explanation:  Only logical choice I see.  The others mix up values and units.