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mismhan01
14.01.2020 •
Mathematics
Atrain travels 220 miles in 4 hours at a constant rate. what is the constant rate of change for the train in miles per hour?
a. 110 miles per hour
b. 55 miles per hour
c. 330 miles per hour
d. 2 miles per hour
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Ответ:
y=360
Step-by-step explanation:
y goes up by 30 everytime and would start at 30 if X =1, so X x 30= y. 12 x 30= 360=y