Answer:
It is c, 1.6
Explanation:
To find the constant of proportionality, you divided y by x. 8 divided by 5 is 1.6. 16 divided by 10 is 1.6 24 divided by 15 is 1.6.
So therefore it is c, 1.6 :)
A-3 because 5+8=3, 10+3 doubled=16, and so on so on
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