Chapter PS, Problem 7.4P

To determine

To find: solution the problem by using estimation.

Answer to Problem 7.4P

Sarah’s answer $8\text{doses}$ is correct.

Explanation of Solution

Given information:

The given jar of $10$ -ounce

The number of doses of medicine in a jar of $10$ -ounce is $x$ doses

Simplify as,

  $\frac{4}{5}$ -ounce doses of medicine are in a jar

  $\begin{array}{l}x=10\times \frac{4}{5}\\ x=8\text{doses}\end{array}$

Therefore, the number of $\frac{4}{5}$ -ounce doses of medicine in a jar of $10$ -ounce are $8\text{doses}$ .

Thus, Sarah’s answer is correct