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

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A

Explanation: Its the only one that is correct

I hope this helped!

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- Zack Slocum

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marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35

good job you smart son of a gun you are smarter that einstein. 7