CPM Homework Help : CC1 Problem 9-68

Sixty-five percent of the 8^th grade class is selling magazines for the class fundraiser. If $112$ students are selling magazines, how many students are in the 8^th grade class?

Hint:

$112$ students is $65\%$ of the class.
Draw a diagram like the one at right.

More Help:

Now create a proportion equation that describes this relationship.

Answer:

$x = 172.31$

Approximately $172$ students are in the 8th grade class.

A percent ruler, from 0% to 100%, with a tick mark at 65%. The section from 0% to 65% is labeled, 112.

Step:

$\frac{65}{100}=\frac{112}x$