The perimeter of an equilateral triangle is 13 inches more than the perimeter of a square, and the side of the triangle is 6 in
ches longer than the side of the square. Find the side of the triangle. (Hint: An equilateral triangle has three sides the same length.)
1 answer:
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Since y is less than x by 7 times 
so in terms of x we write
x=7y
x=7y