By definition the rate of change of a function is given by:

Or equivalently:

Substituting the values given in the problem we have:

Rewriting we have:
Answer:
the rate of change of the ramp is:
The answers are online or you can use an app to scan it to give answers
16/3 1/2= 7/32. so you would measure 7/32 on the 16 cup scoop