Answer: The total would be 40.53
Step-by-step explanation:
The answer for the first one is B 56 and for the second it's and unless you meant 80 for C none of them are correct.
Answer:
81 is the LCM of 81 and 3
Step-by-step explanation:
81 is the smallest (least) number that both (common) 81 and 3 "go into" (multiple)
81 goes into 81.
3 goes into 81.
81 is the smallest number that they both go into.