How Do Mass and Force Affect Acceleration?

[bpatel4116]

The figure shows an acceleration-versus-force graph for three objects pulled by rubber bands. The mass of object 2 is 0.13 kg.

What is the mass of object 1?

What is the mass of object 2?

graph is here
http://session.masteringphysics.com/problemAsset/1013020/11/jfk.Figure.04.U33EOC.jpg

 

[LowlyPion]

How would you think to solve it?