A pizza maker has y pounds of flour to make pizzas. After he has used 60 pounds of flour, how much flour is left? The expression that correctly represents the quantity of flour left is:
y - 60
60 - y
60 + y
Detailed Explanation
In this problem y represents how much flour the pizza maker had to begin with. Then he takes away 60 pounds. To find out how much is left you need to subtract 60 pounds from the total he had to start with.
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