FIRST PAGE: 20, 40, 20
SECOND PAGE: 15, 3, 6, 2 x 2 x 2 x 11
THIRD PAGE: 2 x 5 x 11
answer #1
answer #2
answer #3
LCM of 2, 4, and 5 = 20
answer #4
explanation #4
answer #5
explanation #5