1. Assignment:
1­­>Set 39 (odds) ­ Due Monday (12/5)
2­­>Test #6 ­ Tuesday (12/6)
Check Set 38 (evens) with your
partner ­ turn it in!
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2. Lesson 39:
*A proportion is a statement that 2 ratios are equal.
*We can use "McDonald's Arches" to find
missing parts of a proportion!!
4 6
=
8 12
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3. Examples (Lesson 39):
Solve each proportion.
A) a 6
12 8
B) 30 20
b 16
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4. C) 14 c
21 15
D) 30 2.4
25 d
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5. E) 30 n
100 40
F) m 9
100 12
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