cassandra measured her height as 63 inches. that is 6 inches less than 3 tomes her younger brothers height. how tall is her younger brother?
Write an equation in the form px + q = r to represent the problem.
Let's represent Cassandra's height as "C" and her younger brother's height as "B".
We are given two pieces of information in the problem:
1) Cassandra's height is 63 inches.
2) Cassandra's height is 6 inches less than 3 times her younger brother's height.
From the second piece of information, we can write the equation: C = 3B - 6
Substituting C with 63 (from the first piece of information), we can rewrite the equation as: 63 = 3B - 6
To represent the equation in the form px + q = r, we need to isolate the term with "B":
3B - 6 = 63
Adding 6 to both sides of the equation:
3B - 6 + 6 = 63 + 6
3B = 69
Dividing both sides by 3:
(3B)/3 = 69/3
B = 23
Therefore, Cassandra's younger brother is 23 inches tall.