Answer:
<h2>The time in minutes for late pick ups</h2>
Step-by-step explanation:
Given the expression for the situation

The variable "a" represents the time in minutes for late pick ups.
The expression is similar to the equation of a straight line
when compared to the given expression
we can state that
y= 10.5 which is the outcome of the situation
m= gradient which is 0.5
a= independent variable which is the time in minutes
c= 3 which is the constant term