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Choose the Operation from Context
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ParaPro
PPM.070 Choose the Operation from Context
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A teacher gives 84 tiles equally to 7 groups. Each group uses 5 tiles. Which expression finds the total number of tiles not used?
A
84 ÷ 7 - 5
B
84 - 7 × 5
C
7 × (84 - 5)
D
84 - 5
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