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  5. Tope bought X orange...

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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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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