Solve the following system of equations by linear combination: 2d + e = 8 d - e = 4 a. the solution is (5, -2) b. there is no solution c. there are an infinite number of solutions d. the solution is (4, 0)

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?