short answer
Proportional relationship
Proportional relationship
Analysis
Constant of proportionality
100

What does the "A" stand for in ACE? 

The "A" stands for ANSWER
100

Weight (in pounds)             Cost (in dollars) 

1                                                  3

Ratio 3/1

100

X         Y

-------------

1          5

Ratio (Y/X)

----------------

5/1

100

Which lines most clearly provide the rising action in the excerpt from Black Beauty?

(B) lines 7 through 22

100

Amount (in gallons)            Cost  (in dollars)

1                                                  4

Ratio

4/1

200

How does Black Beauty's decision not cross the bridge?

 The toll-gate was  able to warn the travelers

200

Weight (in pounds)          Cost (in dollars)

Ratio 6/2 = 3/1

200

X         Y

-------------

2          10

Ratio (Y/X)

10/2 = 5/1

200

Read this sentence from line 42

(C) imagining 

200

Amount (in gallons)            Cost  (in dollars)

2                                                  8

Ratio

8/2 = 4/1

300

How might the story be different if it were told from the point of view of the matter?

The story would not include Black Beauty's thoughts.

300

Weight (in pounds)          Cost (in dollars)

3                                            9

Ratio    9/3 = 3/1

300

X         Y

-------------

13         15

Ratio (Y/X)

15/3 = 5/1

300

Mot-v-t--n-

motivations

300

Amount (in gallons)            Cost  (in dollars)

3                                                  12

Ratio

12/3 = 4/1

400

Why did the man at the toll-gate run out of the house tossing a torch like a mad man?

He wanted to get the travelers' attention to warn them that the bridge was broken.

400

Weight (in pounds)          Cost (in dollars)

4                                           12

Ratio 12/4 = 3/1

400

X         Y

-------------

4          20

Ratio (Y/X) 

20/4 = 5/1

400

At-it-d--

Attitudes

400

Amount (in gallons)            Cost  (in dollars)

4                                                 16

Ratio

16/4 = 4/1

500

At the end of the story, why did John give Black Beauty a good supper and a trick bed of straw?

John's rewarding Black Beauty

500

Weight (in pounds)          Cost (in dollars)

5                                           15

Ratio   15/5 = 3/1

500

X         Y

-------------

5          25

Ratio (Y/X)

25/5 = 5/1

500

Ch--a-t-r

character

500

Amount (in gallons)            Cost  (in dollars)

5                                                  20

20/5  = 4/1