Answer :
If x is the diameter of a larger gear, then 0.25x+2.5=16
0.25x=16-2.5
0.25x=13.5
x=54
Answer: the diameter of a larger gear is 54 cm
0.25x=16-2.5
0.25x=13.5
x=54
Answer: the diameter of a larger gear is 54 cm