The perimeter of a rectangular floor is 80 feet. Find the dimensions of the floor if the length is three times the width
Accepted Solution
A:
A) 2L + 2W = 80 B) L = 3W or L -3W =0 Multiplying Equation B) by -2 B) -2L +6W = 0 then adding equation A A) 2L + 2W = 80 8W = 80 Width =10 Length = 30