Roy is attending his cousin's graduation ceremony
in another town. roy has already driven 30 miles
and the ceremony starts in 2 hours.
a. let r represent roy's driving speed in miles
per hour. write an expression to show the total
distance roy will have driven in 2 hours.
b. the graduation is 150 miles from roy's home.
use this information and your expression
from part (a) to write an inequality showing
the possible speeds roy could drive to make it
to the ceremony on time.
c. solve your inequality and graph the solutions.
what does your solution mean in the context
of the problem?