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Anonymous Anonymous
  • 30-01-2017
  • Mathematics
Answered

Joanna joins a CD club. She pays $7 per month plus $10 for each CD that she orders. Write an inequality to find how many CDs she can purchase in a month if she spends no more than $100. Identify what your variable represents.

Verified Answer :

matson matson
  • 03-02-2017

CD = c

7 + 10c < 100      (there is supposed to be a line under the inequality sign)
-7              -7
10c < 93 
Divide both sides by 10
c < 9.3

She can only buy 9 CDs.

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