Answer: 36
Step-by-step explanation:
1) Find the prime factorization of 12
12=2*2*3
2) Find the prime factorization of 18
18=2*3*3
3) Multiply each factor the greater number of times it occurs in the first two steps above to find the LCM.
LCM=2*2*3*3
4) LCM=36
Divide 42 by 30 and that should be your correct answer.
hope this helps.
Answer:
198 inches
Step-by-step explanation:
There are 12 inches in each foot
multiply 16 by 12 you get 192
Half of a foot is 6 inches
add 6 inches and you get 198
