A lamp post casts an 18ft shadow. If Chris’s shadow is 6ft long and his height is 5.25ft, what is the height of the lamp post? (
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Answer:
Step-by-step explanation:
Another way of phrasing this question is this; if only two bills are selected without replacement, what is the probability that at one of the two bills will be a $10 bill:
P(One $10 bill) = P(picking a $10 bill first then another type) + (picking another
type then a $10 bill)
=
Area of rectangle: 5x2 -18x - 8
//Hope this helps.
