A carpenter was putting up a shelf. The shelf needed to be 86 cm long
but the piece of wood he had was 1 m and 26 cm long. His saw was 33 cm
long. How much did he have to cut off the piece of wood to make it fit?
A) 40cm
B) 43cm
C) 50cm
D) 53cm
what difference does the length of the saw make?
126-86 = 40