Multiple loop circuit with grounded point

[j-so16]

Homework Statement

In the figure below, the ideal batteries have emfs 1 = 7.4 V and 2 = 16 V, the resistances are each 4.1 Ω, and the potential is defined to be zero at the grounded point of the circuit. What are potentials (a)V1 and (b)V2 at the indicated points?

image:
http://edugen.wiley.com/edugen/courses/crs1650/art/qb/qu/c27/pict_27_33.gif"

Homework Equations

Ohm's Law

The Attempt at a Solution

Calculated current to be 1.977, not sure if that is correct.

 

[graphene]

not able to access the image.