
Please do not keep posting the same problem over and over. You try to do this one, and I'll check your work in an hour.
posted by Ms. Sue

129=15d+9
3=15d+9
39=15d
6=15d
15d= 6
3*5*d= 3*2 Divide with 3
5d= 2 Divide with 5
d= 2/5= 0.4posted by Anonymous
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