Assume that a varies directly as b.When the value of a is 5,the value of b is 18.When the value of a is 22,what is the value of b?

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asked Mar 16, 2023 203k views

1 Answer

Ganzogo · Answer 1 · 2023-03-21T02:31:24+0000

In this case we have the proportion 18:5, then we have the equation

$\begin{gathered} (18)/(5)=(b)/(22) \\ b=(18)/(5)*22 \\ b=(396)/(5) \end{gathered}$

Then, when a is 22, the value of b is 396/5 that is also equal to 79.2 or