Ne cement comes out
ured before 12: 00 noon
4. ed is pouring cem
cois pouring cement for his backyard patio that has an area of 100 square feet. the cement come
of the truck at a constant rate. it is very important that he gets all the cement poured before 12: 00
when it gets too hot for the cement to be mixed properly. it is currently 11: 00 am and he has poured
square feet of concrete in the last 3 hours.
(x, y)
a complete the table and graph to represent this situation.
(amount of concrete)
(time in hours)
50
(11: 00 am)
100
b. state the unit rate.
c. show the unit rate on the graph.
d. state the constant of proportionality
e. does the equation y = 25x represent this
situation? explain.
amount of concrete
f. will ed finish the job by noon? justify
your answer.
time elapsed (hours)
spiral review:
5. simplify: 1 +
6. simplify: 1 -
sduhsd math b essentials module #3 - homework