In exercises 1-4, determine if y is proportional to x. Justify your answer.
1. The table below represents the inches
of snowfall in 5 counties to the hours of
a recent winter storm.
2. The table below shows the relationship
between the costs of renting a movie to
the number of days on rent.
x
Time
Snowfall
(hrs)
(In)
2
6
8
2.5
7
02651
x
Number
y
Cost
of Days
6
2
9
3
24
8
3
1
3. The table below shows the relationship
between the amount of candy (pounds)
bought and the total cost.
4. Randy drove from New Jersey to
Florida. He recorded the distance
traveled and the number of gallons used
every time he stopped for gas. To
complete the table, assume Miles Driven
is proportional to Gallons Consumed.
24781012
X
y
Pounds
Cost
5
10
8
12
Miles
8
16
54 189 216
Driven
10
20
460
Gallons
Consumed
LJose
proportional
the
type of
Numbe
Lawns
Earn