Answer:
The constant rate of proportionality is 10.
Step-by-step explanation:
The formula for constant rate of proportionality is y divided by x.
So, we would then solve the quotient of each y and x.
The first one would be 30 divided by 3, which is 10.
The second one would be 100 divided by 10, which is also 10.
The third and final one would be 160 divided by 16, which is also 10.
Hence, the constant rate of proportionality would be 10.
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