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In 2022 the ratio of output of unit A to unit B was 4 : 5. Using the chart, what was unit B's output in 2022?

Competition practiceMissing-Data DI
  • A90
  • B120
  • C100
  • D64

Step-by-Step Solution

A in 2022 = 80 = 4 parts, so 1 part = 20. B = 5 parts = 100. (64 takes 4/5 of 80.)
Answer: C) 100

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