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rick got 45 items correct made mistakes in 8 items not answer 7 items. How many items are the test?

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Emptylootbagviz
45+8+7=60

60 items in the test.
Dominiviz
[tex] This \ is \ an \ elementary \ algebra \ situation. \\ We'll \ gonna \ use \ it \ to \ solve \ this \ problem. \\ \\ Let \ x=45 \\ Let \ y=8 \\ Let \ z=7 \\ \\ Formula; \\ x+y+z \\ \\ 45+8+7 \to \boxed{60 \ items \ all \ in \ all.} \\ \\ Hope \ this \ help:) \\ Domini [/tex]