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cody1097
22.11.2019 •
Mathematics
:
which situation represents a proportional relationship?
a
sandra charged $3 for 2 bracelets and $6 for 3 bracelets.
b
jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes.
c
lamont packed 27 glasses in 9 cases and 81 glasses in 27 cases.
d
anton placed 8 pencils in 2 boxes and 16 pencils in 8 boxes.
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Ответ:
Divide each set to see if the answers are identical:
A: 3/2 = 1.5
6/3 = 3
Answers are not the same so this is not proportional.
B: 20/4 = 5
24 /6 = 4
Answers are not the same so this is not proportional.
C: 27/9 = 3
81/27 = 3
Answers are the same so this is proportional.
D: 8/2 = 4
16/8 = 2
Answers are not the same so this is not proportional.
The answer is C.
Ответ:
look back at it
Step-by-step explanation: