Brent covered 3 1/5 by a number and got 4 1/2 what number did he divide by? And how did you get it?
3 1/5 / x = 4 1/2 ????
16/5 / x = 9 / 2
or
9 x / 2 = 16/5
9 x = 32 / 5
x = 32 /45
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check
3.2/(32/45) = 4.5 ????
32/45 = 3.2/4.5
heavens to Betsy, it is true :)