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Table — Laptops sold by five stores over three months. P: Jan 120, Feb 150, Mar 180. Q: Jan 200, Feb 160, Mar 140. R: Jan 90, Feb 110, Mar 100. S: Jan 160, Feb 180, Mar 200. T: Jan 140, Feb 130, Mar 150. What is the ratio of total laptops sold in January to total sold in March (all stores)?

Competition practiceData Interpretation
  • A77:71
  • B71:77
  • C70:77
  • D71:70

Step-by-Step Solution

January total = 120+200+90+160+140 = 710. March total = 180+140+100+200+150 = 770. Ratio = 710:770 = 71:77.
Answer: B) 71:77

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