Question
Sabrina has 71 marbles. She has 5 more blue marbles than red marbles. She has 15 fewer grey marbles than red marbles. How many grey marbles does she have?
4 m

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Sabrina has 71 marbles. She has 5 more blue marbles than red marbles. She has 15 fewer grey marbles than red marbles. How many grey marbles does she have?