Proportional Relationships
Write a proportion to represent the relationship of 5 to 15 as it compares to x to 45
5/15=x/45
Solve −3 + 5
2
Solve 5 − 8
-3
If a car travels 180 miles in 3 hours, what is its speed in miles per hour?
60 miles per hour
Solve -7 + 4
-3
Solve -1 - (-4)
3
If a car travels 120 miles in 2 hours, what is its speed in miles per hour?
60 miles per hour
-10 + (-6)
-16
-9 - 3
-12
Solve for x.
5/15=x/45
x=15
-2 + 9
7
Sovle -6 - (-2)
-4
Solve for x.
8/20 = x/50
x=20
7 + (-3)
4
8