(1.3+2.4+1.8+5.8+4.2)/5
=(1.3+2.4+6+5.8)/5
=(3.7+6+5.8)/5
=(9.7+5.8)/5
=15.5/5
=3.1
3.1 is the mean of 1.3, 2.4, 1.8, 5.8, and 4.2 .
The mean of the given numbers is 3.5.
42-18 = 24
18+24=42
42 + 24 + 18 = 84
Thirty 42 - 18 = 24 24 / 2 = 12 18 + 12 = 30 42 - 12 = 30
Thirty 42 - 18 = 24 24 / 2 = 12 18 + 12 = 30 42 - 12 = 30
The LCM of 18, 24, 36 and 42 is 504
LCM(18, 24, 42) = 504
-24
66
42 - 24 = 18
-42
1.75