Answer:
The son is 20 and the father is 80.
Step-by-step explanation:
Answer:
The inequality that represents the age of the group, "x", is: 
Step-by-step explanation:
To express this problem in an inequality we will attribute the age of the members on the group with the variable "x". There are two available information about "x", the first states that every member of the group is older than 17 years, therefore we can create a inequality based on that:

While the second data from the problem states that none of than is older than 54 years old, this implies that they can be at most that old, therefore the inequality that represents this is:

In order for both to be valid at the same time x must be greater than 17 and less or equal to 54, therefore we finally have:

Answer:
Kevin
Step-by-step explanation:
90000 is 450 times to 200^inches (there is not width is given)
1.6inch i guess..am not sure..need to wait for more answer