Answer:
20/40 = 10/20 = 1/2, 1:2
Step-by-step explanation:
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Answer:
A i think
Step-by-step explanation:
Answer:
59
Step-by-step explanation:
Answer:
57.5
Step-by-step explanation:
The constant of proportionality is "k" in the equation ...
y = kx
It can be found from values of x and y using ...
k = y/x
For the given values, it is ...
k = (287.5 mi)/(5 h) = 57.5 mi/h
The constant of proportionality relating miles to hours is 57.5.