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| PAGE: 8 | SET: Exercises | PROBLEM: 35 |
It is belived that about 
of our dreams involve people that we know.
a.
Write an expression to describe the number of dreams that feature people :
The number of dreams known is 
.
(Substitute 
)
The expression is 
.
b.
Find the number of dreams include people know out of 
dreams:
(Substitute 
)
(
)
(Multiply)
Therefore, the number of dreams that include people know 
dreams out of dream is 
dreams.
a. The expression is 
.
b. The number of dreams that include people know 
dreams out of dream is dreams.
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