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JAMB 2002 · UME · Q5

Simplify 52.4−5.7−3.45−1.7552.4 - 5.7 - 3.45 - 1.75.

Worked solution (try it first)
  1. Add the three numbers being taken away, lining up the decimal points: 5.7+3.45+1.75=10.95.7 + 3.45 + 1.75 = 10.9.
  2. Then 52.4−10.9=41.552.4 - 10.9 = 41.5, option C.

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