203k views
5 votes
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?

User GreenTea
by
9.4k points

1 Answer

3 votes

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


79(1)/(5)

User Ganzogo
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories