A piggy bank contains $90.25 in dimes and quarters. Which equation represents this scenario? Let x r | MathCelebrity Forum

A piggy bank contains $90.25 in dimes and quarters. Which equation represents this scenario? Let x r

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A piggy bank contains $90.25 in dimes and quarters. Which equation represents this scenario? Let x represent the number of dimes, and let y represent the number of quarters.

Since amount = cost * quantity, we have:
0.1d + 0.25q = 90.25
 
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