SOLUTION: 8 cm : 72 mm

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Question 1154491: 8 cm : 72 mm
Found 2 solutions by josgarithmetic, mananth:
Answer by josgarithmetic(39618) About Me  (Show Source):
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1 cm : 9 mm

The reasoning is the same as in reducing a fraction.

Answer by mananth(16946) About Me  (Show Source):
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Find the ratio of 8 cm : 72 mm

for comparing the units must be the same
8cm = 80 mm
Ratio = 80%2F72
Ratio = 10%2F9
Ratio 10:9