Question
At a shop, Alice paid $20 for 5 items: 2 rulers and 3 markers. The total cost of 2 rulers is $4 more than the total cost of 3 markers. How much did 1 ruler cost?
4 m

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At a shop, Alice paid $20 for 5 items: 2 rulers and 3 markers. The total cost of 2 rulers is $4 more than the total cost of 3 markers. How much did 1 ruler cost?