The only rule to follow is
Divide dividend by divisor and the mention the quotient and things left after remains in place of remainder
Here is a sample

20, 25, 30, 30, 31, 40, 41, 49
median = 30.5
lower IQR = 27.5
upper IQR = 40.5
Range IQR = 40.5 - 27.5 = 13
answer is 13
Answer:
30 for walking, 15 for biking
Step-by-step explanation:
150 divided by 5
150 divided by 10
The Tenths place because it's the first
The first one is the answer you're looking for