Question 307972
Let x= second side
x+5 = first side
4x = third side


x+ x+5 + 4x = 65
x+x+5+4x =65
6x+5=65
6x=60
x=10 Second side
x+5= 15 First side
4x= 40 Third side


Check:  10+15+40=65 Perimeter


You may want to see my website for help with WORD PROBLEMS!  To find my website, just click on my tutor name "Rapaljer" anywhere in algebra.com.  For written explanations, look for "Basic, Intermediate, and College Algebra: One Step at a Time", choose "Basic Algebra" and look for "Chapter 1."  See "Section 1.11 Word Problems".  See also the "MATH IN LIVING COLOR" pages that go with this explanation, where the exercises are solved IN COLOR!


Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus