This is LCM problem
So,
12: 12, 24, 36, 48, 60
16: 16, 32, 48, 64, 80
LCM( least common multiple Is 48
Hope this helps
Answer:
Step-by-step explanation:
In the equation 
, 'k' is the only common term.
Factor out 'k':
Hope this helps.
Answer:
Step-by-step explanation:
Remark
You can do this with just 1 unknown.
John = x
Tom = 2x
Solution
x + 2x = 27 Combine the left
3x = 27 Divide by 3
3x/3 = 27/3
x = 9
Conclusion
John invited 9
Tom invited 18
Number 4 is arithmetic explicit
Number 1 is arithmetic recursive
Number 2 is geometric explicit
Number 3 isgeometric recursive
Answer: M=2n-2
2n-2=0
2n-2+2=0+2
2n=2
Divide both side by 2
n=1
Step-by-step explanation:
