Chapter 26, Problem 8OQ

Two thin lenses of focal lengths f₁ = 15.0 and f₂ = 10.0 cm, respectively, are separated by 35.0 cm along a common axis. The f₁ lens is located to the left of the f₂ lens. An object is now placed 50.0 cm to the left of the f₁ lens, and a final image due to light passing though both lenses forms. By what factor is the final image different in size from the object? (a) 0.600 (b) 1.20 (c) 2.40 (d) 3.60 (e) none of those answers