a fish with a mass of 4kg causes a fishing pole to bend 10cm. if the amount of bending (b) varies directly as the mass (m), how much will the pole bend for a 7 kg of fish
bend = k mass
given:
10 cm = k 4 kg
k = 10/4 cm/kg or (5/2) cm/kg
if mass = 7kg
bend = (5/2)(7) = 17.5 cm