F(10) = (10)^2 + 1
= 100 + 1
= 101
Since you keep proportional dimensions, the proportion between the old and new dimensions must be the same. So, if we call the new height
, the preservation of the width/height ratio is written as

Solving the proportion for
yields

Answer:
- 4, 7
Step-by-step explanation:
Let the required number be x.
Therefore, according to the given condition:

Answer:
Step-by-step explanation:
The number of riders decreased.