Question
Mrs Tang has some money to buy some sandwiches. If she buys 15 sandwiches, she would be short of $10. If she buys 10 sandwiches, she would have $15 left. How much money does Mrs Tang have?
4 m

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Mrs Tang has some money to buy some sandwiches. If she buys 15 sandwiches, she would be short of $10. If she buys 10 sandwiches, she would have $15 left. How much money does Mrs Tang have?