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Mathematics 16 Online
OpenStudy (anonymous):

If a is inversely proportional to b and b=5 when a=3, what is the value of b when a=10?

OpenStudy (anonymous):

Tips?

hartnn (hartnn):

inversely proportional means ab is constant. let ab=k put a=3,b=5 find k

OpenStudy (anonymous):

15=k?

hartnn (hartnn):

yup. ab=15 now put a=10 find b

OpenStudy (anonymous):

10b=15

OpenStudy (anonymous):

b=1.5?

hartnn (hartnn):

yup.

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

That is it for now.

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