SOLUTION: Hi! Can you help me? Here's the question: A side of a square is 10 meters longer than the side of an equilateral triangle. The perimeter of the square is 3 times the perimeter of t

Question 161048This question is from textbook Amsco's Integrated Algebra 1
: Hi! Can you help me? Here's the question: A side of a square is 10 meters longer than the side of an equilateral triangle. The perimeter of the square is 3 times the perimeter of the triangle. Find the length of each side of the triangle. My teacher says we have to do "let" statements. I think the let statement is
Let x = the length of one side of the triangle. I am not sure if this is correct, but if it is i am not sure how the set up the formula to solve for x.
Thanks for your help. This question is from textbook Amsco's Integrated Algebra 1

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
the let is correct

"A side of a square is 10 meters longer than the side of an equilateral triangle" __ x+10

"The perimeter of the square is 3 times the perimeter of the triangle" __ 4(x+10)=3(3x)

4x+40=9x __ subtracting 4x __ 40=5x __ 8=x
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