Sims 3 being played on the mac

You might be able to get the base game and maybe a few of the earliest EPs going by way of Bootcamp on the Window side on that system on medium to low graphics settings in Game Options, and thankfully without all the processor/GPU hocus pocus that's become required of the Mac version of the game on these MacBook Pros. The processor and RAM are fine, but the integrated Intel graphics are going to be limiting. Pets and Seasons might be out of the question, I'm afraid, as might very long-running ongoing games.

For less limiting play and the heavier hitting EPs, a dedicated Nvidia or AMD graphics card of sufficient strength is really required.