Which situation can be represented by this inequality?
72 < 9r + 12
A
...
Mathematics, 30.11.2021 01:40 baseball1525
Which situation can be represented by this inequality?
72 < 9r + 12
A
Rory has 12 rocks in his collection. He will collect 9 new rocks every month. Rory collects rocks for r months. For what values of r will Rory have at most 72 rocks?
B
Rory has 9 rocks in his collection. He will collect 12 new rocks every month. Rory collects rocks for r months. For what values of r will Rory have at most 72 rocks?
C
Rory has 12 rocks in his collection. He will collect 9 new rocks every month. Rory collects rocks for r months. For what values of r will Rory have at least 72 rocks?
D
Rory has 9 rocks in his collection. He will collect 12 new rocks every month. Rory collects rocks for r months. For what values of r will Rory have at least 72 rocks?
Answers: 2
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