Answer:
486
Step-by-step explanation:
Just multiply them by each other
55 add 75 to 50 subtract from 180
The LCM of two prime numbers is generally just their product, since they share no common factors.
3 and 7 are both prime numbers, so their LCM (least common multiple) is simply the numbers multiplied together. In this case, the LCM is thus 21.
Cubic inches of first box = 18 x 8 x 12 = 1,728 cubic inches
Cubic inches of larger box = 20 x 12 x 15 = 3,600 cubic inches.
Cubic inches for packing foam = 3600 - 1728 = 1,872 cubic inches
Answer: 1,872 cubic inches
Answer:

Step-by-step explanation:
The inequality sign must be changed when it is multiplied/divided by a negative number