<u>To find the constant of proportionality:</u>
⇒ must define constant of proportionality
⇒ <em>Constant of Proportionality: ratio of two proportional values at a </em>
constant value
⇒ (in this case) two proportional values are x and y
<u>The ratio between x and y is equal to</u>

<u>Answer:</u> <u>55</u> or <u>Choice 1</u>
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Hope that helps!
I would say 13 3/4 but dont take me for my word
Answer:c
Step-by-step explanation of the
(-10)/(-20)
-1/(-2)
Negative sign result in positive result, so
1/2; c