Chapter 7.3, Problem 22PPS

To determine

To find: the percent of states beginning with A, I, O, or U

Answer to Problem 22PPS

So, 22% of the 50 states begin with A, I, O, or U.

Explanation of Solution

Calculation:

There are 11 states that begin with A, I, O, or U (Alabama, Arkansas, Alaska, Arizona, Indiana, Illinois, Idaho, Oregon, Oklahoma, Ohio, Utah).

  $\begin{array}{l}\frac{11}{50}=\frac{p}{100}Writethepercentproportion\\ 11\times 100=50\times pFindthecrossproduct\\ 1100=50pMultiply\\ \frac{1100}{50}=\frac{50p}{50}Divideeachsideby50\\ 22=pSimplify\end{array}$

So, 22% of the 50 states begin with A, I, O, or U.

Conclusion:

Hence, 22% of the 50 states begin with A, I, O, or U.