199.
the z score for the 90th percentile is 1.28, so you can solve the equation

which gets you the 199
It would be 110x because they are like units, so they can be added together. Really, you are just doing 80 plus 30, and then adding an x on the end.
Answer:
Step-by-step explanation:
60 minutes divided by 5 times 8
96 feet
Answer is A
Step-by-step explanation:
hope that helps