Answer:
Alex's Father is 50
Step-by-step explanation:
If nick is 5 and Alex is twice as old as Nick then Alex must be 10
Because 5 times 2 is 10
And if Alex is 10 and his father is 5 times older than him than his father is 50
5x2=10
10x5=50
take them seriously, they weren't a joke
Give expression is,
Since L.C.M ( 12, 8 ) = 24
1. 1/9
2. 0
3. -9
4. -1
Reasoning: To get the opposite of a number just add a negative sign or take it away. This can be done to all numbers other than 0