davionham25
davionham25
04-05-2015
Mathematics
contestada
Ratio equal to 90:18
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Mrobert10
Mrobert10
04-05-2015
90:18
divide using 3 on both sides
90:18
30:6
10:2
now lets use 2
10:2
5:1
5:1 is the equal ratio to 90:18
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