7th Grade Math Quiz
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RATIOS AND PROPORTIONAL RELATIONSHIPS
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Which situation shows a proportional relationship between the two quantities?
A
A plant grows
1
1
1
cm the first week and
2
2
2
cm the second week.
B
A store sells notebooks for $5 each, so the total cost is
5
5
5
times the number of notebooks.
C
A candle is already
3
3
3
cm tall when you start measuring, and it burns
2
2
2
cm each hour.
D
A taxi charges $4 to start the ride plus $2 per mile.
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