Mathematics, 25.03.2021 01:00 HighSchool97654

Mark has a key ring with 10 similar keys 3 keys are for gym lockets 2 are car keys and 1 is a door key and 4 keys are for tool boxes if mark selects one key without looking what is the probability he selects a car key or a door key

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Mark has a key ring with 10 similar keys 3 keys are for gym lockets 2 are car keys and 1 is a door k...

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