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A baking recipe calls for 2.5kg of sugar and 4.5kg of flour. With this recipe...

Mathematics
JAMB 1981

A baking recipe calls for 2.5kg of sugar and 4.5kg of flour. With this recipe some cakes were baked using 24.5kg of a mixture of sugar and flour. How much sugar was used?

  • A. 12.25kg
  • B. 6.75kg
  • C. 8.75kg
  • D. 15.75kg
  • E. 8.25kg
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Correct Answer: Option C
Explanation

Sugar : flour = 2.5 : 4.5

Total = 7

sugar used = \(\frac{2.5}{7}\) x 24.5

= \(\frac{61.25}{7}\)

= 8.75


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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
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