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Jose's school spent $1284 on 9 sticksof memory and a new hard drive. The hard drive cost $168. Which is the reasonable estimate of the cost of one stick of memory?

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JMCBlooning
subtract the cost of the hard drive from the original $1284 and divide the answer you got by the 9 sticks of memory for your answer.
brunostheman
Answer:$124 because you divide 1116 by 9