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Elena L [17]
3 years ago
13

(100 pts.) Pre-Al Ratios and Proportionality, check img attactched

Mathematics
2 answers:
uysha [10]3 years ago
8 0

Answer:

16

Step-by-step explanation:

Make a proportion:

66/12 = (104-r)/r

Simplify:

r = 16

Goshia [24]3 years ago
7 0

Answer:

r=16

Step-by-step explanation:

16

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