The equation of a linear graph with a y-intercept of 2/5 and a gradient -1/4 is: A 5x+20y=8
B 20x+5y=8
C y=2x/5 - 1/4
D 2x/5 -y+1/4= 0

Plz answer

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?