ErinWeeks
What is the probability that a point chosen at random on the grid will lie in the unshaded region?



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ErinWeeks
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ErinWeeks
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A. 5/8
B. 2/5
C. 3/8
D. 3/5

ErinWeeks
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I thought it was D but i got it wrong

Hero
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Hint:
\[\frac{\text{no. of unshaded squares}}{\text{total squares}}\]

ErinWeeks
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40 / 64?

Hero
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Yes, now reduce that

ErinWeeks
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i got A 5/8

Hero
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Good job. At least there's one student here that's teachable.

ErinWeeks
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lol thank you so much i was doing it wrong i was dividing the shaded over the unshaded!

Hero
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I only needed to give you one hint. Some students, I give two, three, four hints, and they still don't have a clue.

ErinWeeks
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Could you help me with one more question?

ErinWeeks
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lol well i like to learn (:

Hero
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Well, that's good. You're a rare one.