The perimeter of the triangle is nineteen less than three times the longest side.
The remaining side is eight inches shorter than the longest side. Instructions: Pick a variable for each unknown, and state what it represents.
Bob and Bart's names were specifically chosen to force students to recognize that B can't be used as a variable for both, and another choice must be made for one of the boys.
The shortest side of a triangle has length 16 inches.
Once the problem is read, you need to list out all the components and data that are involved.
This is where you will be assigning your variables.
Sounds simple enough, but some people jump the gun and try to start solving the problem before they have read the whole problem.
Contrary to that belief, it can be a learned trade.
Even the best athletes and musicians had some coaching along the way and lots of practice - that's what it also takes to be good at problem solving.
However, students who write carelessly may mistake a lower case L for a one, and an S for a 5. One student in my class selected "B" and "T" for "Big" and "Tiny," thus avoiding the issue altogether.
Sum of Two Fractions: This system can be solved by clearing the equations of fractions and then solving, or by carrying the fraction through the problem.