Chapter 12.10, Problem 42CCR

To determine

To calculate: Value of y from given proportion.

Answer to Problem 42CCR

  $y=5.5$

Explanation of Solution

Given information:

The given information is, A proportion $\frac{3}{2.2}=\frac{7.5}{y}$ is given which is to be simplified.

Formula used:

Properties of ratio and proportion

Calculation:

  $\begin{array}{l}Given\frac{3}{2.2}=\frac{7.5}{y}\\ Bycrossmultiplication,\\ 3y=7.5\times 2.2\\ \therefore y=\frac{7.5\times 2.2}{3}\\ \therefore y=5.5\end{array}$