1.
Use cross products to determine which ratio forms a proportion with
A.
B.
C.
D.
Hint
2.
Suppose 2 inches represent 50 miles on a map. If the distance between two cities on the map is
inches, what is the actual distance between the cities?
A.
mi
B.
mi
C.
mi
D.
mi
Hint
3.
A cookie recipe calls for two eggs and yields 4 dozen cookies. How many eggs would be necessary to make 10 dozen cookies?
A.
7eggs
B.
6 eggs
C.
5 eggs
D.
4 eggs
Hint
4.
Solve
A.
x
= 29
B.
x
= 24
C.
x
= 1.5
D.
x
= 37.5
Hint
5.
Solve
A.
r
= 155
B.
r
= 179
C.
r
= 203
D.
r
= 107
Hint