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Tope bought X oranges at N5.00 each and some mangoes at N4.00 each. if she...

Mathematics
JAMB 1988

Tope bought X oranges at N5.00 each and some mangoes at N4.00 each. if she bought twice as many mangoes as oranges and spent at least N65.00 and at most N130.00, find the range of values of X.

  • A. 4≤X≤5
  • B. 5≤X≤8
  • C. 5≤X≤10
  • D. 8≤X≤10
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Correct Answer: Option C
Explanation

Number of oranges = X; Costing N5X.

Number of mangoes = 2X; Costing N8X.

\(\therefore 65 \leq 5X + 8X \leq 130\)

\(5 \leq X \leq 10\)

 


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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Mobile App 2024 - Free Download
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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