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Mathematics 17 Online
OpenStudy (anonymous):

brainye solved the proportion 18/45= a/20 at tje right his first step was to simlify the ratio 18/45 is his answer correct?

OpenStudy (saifoo.khan):

2: 5

OpenStudy (saifoo.khan):

18: 45 2 : 5

OpenStudy (anonymous):

|dw:1318553552012:dw|

OpenStudy (saifoo.khan):

what's that?

OpenStudy (anonymous):

how he solved it =D

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