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Cassandra measured her height as 63 inches. That is 6 inches less than 3 times her younger brother’s height. How tall is her younger brother?

Write an equation in the form px+q=r
to represent this problem.

(2 points)
x
+
=

2 answers

Let's define \( x \) as the height of Cassandra's younger brother in inches.

According to the problem, Cassandra's height can be expressed with the following equation:

\[ 63 = 3x - 6 \]

To put this equation in the form \( px + q = r \), we can rearrange it:

\[ 3x - 6 = 63 \]

Now let's adjust it to match the required format:

\[ 3x - 6 = 63 \]

So, in the form \( px + q = r \):

  • \( p = 3 \)
  • \( q = -6 \)
  • \( r = 63 \)

Thus, the equation in the requested form is:

\[ 3x - 6 = 63 \]

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