Question
At a shop, Kathy paid $30 for 9 items: 4 erasers and 5 marbles. 1 eraser cost $3 more than 1 marble. How much did 1 eraser cost?
3 m

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At a shop, Kathy paid $30 for 9 items: 4 erasers and 5 marbles. 1 eraser cost $3 more than 1 marble. How much did 1 eraser cost?