Answer:
0.315 per lb
Step-by-step explanation:
A.15 b.500 c.40 d.7.5 yeah, not to confident but I think it's correct.
There are 2 choices for the first set, and 5 choices for the second set. Each of the 2 choices from the first set can be combined with each of the 5 choices from the second set. Therefore there are 2 times 5 combinations from the first and second sets. Continuing this reasoning, the total number of unique combinations of one object from each set is: