The number of items, n, made in 1 hour 55
by a machine is given by n =
t is the time in minutes the machine
takes to make one item.
The value of t changes for different
types of item.
The graph of n = 55 can be seen
on the grid.
The machine takes a time of
1 minute and 24 seconds to make
one item.
Use the graph to find the value of n.