Chapter 6.5, Problem 21PPS

To determine

To find: the number of gallons of paint needs to paint $16$ classrooms.

Answer to Problem 21PPS

The number of gallons of paint $=28$

Explanation of Solution

Given information:

Consider $7$ gallons of paint needed to paint $4$ class rooms.

Calculation:

The number of gallons of paint needed to paint one class room $=\frac{7}{4}$

Then,

The number of gallons needed for $16$ class rooms

  $\begin{array}{l}=16\times \frac{7}{4}\\ =28\end{array}$

Hence,

The number of gallons of paint $=28$