First find out how many more inches it needs to grow, 54-37.5; It needs to grow 16.5 more inches. If it grows 3 inches a year then you have to do 16.5/3; 5.5. It will take 5.5 or 5 1/2 more years to grow to 54 inches.
3x8 is 24 hopefully this is helpful
5.815+6.021= 11.836
good luck!
Hello, the answer is simple it is W=6