Ursula bought five hot dogs at $1.50 each and three salads at $2.50 each. If she had two $10 bills, how much change did she get back? Think carefully first, then make a decision:
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Five hotdogs cost 5 x $1.50 = $7.50. Three salads cost 3 x $2.50 = $7.50. The total cost was $7.50 + $7.50 = $15. And, Ursula had 2 x $10 = $20. Therefore, Ursula got a change of $20 - $15 = $5. So, the answer is 5.
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