Answer:
4 hours
Step-by-step explanation:
cross multiply
Answer:
procedure always produces 6
Step-by-step explanation:
Let 'n' be the unknown number
Add 4 to the number : n+4
multiply the sum by 3.
multiply the sum n+4 by 3

Now subtract 6, so we subtract 6 from 3n+12

finally decrease the difference by the tripe of the original number
triple of original number is 3n

so the procedure always produces 6
The only possibility if a number is not even is that it is odd. Thus, the event would be the product is an odd number.
Yes most likely a variable square can be combined with a variable I believe