How many quarters does she have?

Daniela has $35.30 in dimes and quarters. She has 3 more dimes than quarters. How many quarters does she have?

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3 Answers

10d +25q =3530

d=q+3

10(q+3) +25q =3530

10q +30  +25q=3530

35q =3500

q=100 quarters
by Level 5 User (12.9k points)
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