We'll be assuming this is with simple interest.
now, a year has 12 months, thus in 18 months there are 18/12 years.

Answer:
the answer is 0
Step-by-step explanation:
(sorry don't have time to type it out)
Harry is incorrect. If Harry only ate 3/8 of the pizza and Aidan ate 1/2 of the pizza, Harry ate less pizza. Because 1/2 equals 4/8 and 4/8 is greater than 3/8, Aidan ate more pizza than Harry.
Hope this helps!!
Hey there,
Its the 11th floor.
You take the total of 158 seconds, subtract the 45.8 seconds of mandatory stops which leaves you with 112 seconds. You devide the 112 with 10.2 and your final answer is 11.