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3A: Rewriting Equations with More Than One Variable 9. Solve for b. a' + b? = c Checkpoint #8B: Solving Problems by Writing Equations

3A: Rewriting Equations with More Than One Variable 9. Solve for b. a' + b? = c Checkpoint #8B: Solving Problems by Writing Equations 10. Jorge has some dimes and quarters. He has 10 more dimes than quarters and the collection of coins is worth $2.40. How many dimes and quarters does Jorge have?

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