How to saturated triglycerides compare to unsaturated triglycerides in how tightly they pack together? based on this information, which of these triglycerides is likely to be a solid at room temperature? explain your reasoning.

Saturated triglycerides are packed more closely together than are unsaturated triglycerides (whose hydrocarbon tails are kinked). So, the saturated triglycerides are more likely to be solid at room temperature, as opposed to the unsaturated triglycerides. 

You would modify how often you work out in reps and sets and also modify calorie intake

True your body needs vitamins such as protein, vitamin d, fish oil etc