The first one is 48% and the second one is 60%
Answer:
B and D
Step-by-step explanation:
A proportional relationship has NO constant term. Thus, we eliminate Answers A and C.
Answers B and D represent proportional relationships.
Answer: 20 times
Step-by-step explanation:
Given: The length of piece of wire = 10 millimeters
The length of screwdriver = 20 centimeters
We know that 1 cm = 10 mm
Therefore, the length of screwdriver =
millimeters
The ratio of the length of screwdriver and length of wire is given by :-

The screwdriver is 20 times as long as the wire.
C = 1
B = -8
1 - -8 = 9
The difference between B and C is 9.