SOLUTION: [ Manny has $4.90 in dimes and quarters. He has 7 more dimes than quarters. Write two equations that would be used to solve the system. ]

Question 816968: [ Manny has $4.90 in dimes and quarters. He has 7 more dimes than quarters. Write two equations that would be used to solve the system. ]
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
10d + 25q = 490
d = q + 7
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NOTE:
10d + 25q = 490
can also be expressed as:
0.10d + 0.25q = 4.90
either expression can be used to solve the system properly
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