Question 189668
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Let x = length of first side
then from "The second side is one-fourth of the first side"
x/4 = length of second side
and from "third side is 4 meters more than the first side"
x+4 = length of third side
.
x + x/4 + (x+4) = 49
Multiplying both sides by 4:
4x + x + 4x + 16 = 196
9x + 16 = 196
9x = 180
x = 20 meters (first side)
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second side:
x/4 = 20/4 = 5 meters (second side)
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third side:
x+4 = 20+4 = 24 meters (third side)