15. If a varies inversely as b + 2 and if a = 8 when b = 1.5, find a when b = 5.
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Dear Student,
Here 'a' varies inversely as 'b+2'
or a or a = (1), where k is the constant of proportionality.
we have a =8, when b = 1.5, using this in (1)
Then the value of a, when b = 5 is given by
a =
Regards