Answer:
40 possible ways
Explanation:
In this case, the ways that you can put together the snack, assuming that you must use the three types of elements shown in the statement, would be multiplying the quantity of each type of element.
Ie 5 different granola bars, 4 different kinds of fruit and 2 different kinds of chips:
5 * 4 * 2 = 40
Which means, you can put together your snack in 40 possible ways.