Question

a varies inversely with b and if b=3 then a=7. find A if b=2 1/3


explain me it​

Answer 1

here is the answer.

acc. to the qus :-

a= 1/b

so, if b= 21/3

then , a= 1/21/3

so, a = 3/21

hope it helps you

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Answer 2

Answer:

Given tha A inversely with B

A=K/B ----->equation 1

A=7 B=3

3=K/7

K=21

B=2 1/3 = 2×3+1/3 = 7/3

Sub B and K in equation 1

A=21/7/3

= 21×3/7

=3×3=9

Therfore A = 9 if B =2 1/3