BECE Mathematics 2025 Paper

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Question : 5

Total: 40

Mr Adu bought 400 bags of maize for his farm animals. If he used 120 bags to feed the animals, find the percentage of the maize left.

$70\%$
$60\%$
$50\%$
$40\%$

Solution:

Concept:

Percentage left

= \dfrac{\text{bags left}}{\text{total bags}} \times 100\%

.

Solution:

Bags left

= 400 - 120 = 280

.

Percentage left

= \dfrac{280}{400} \times 100\% = 70\%

.

Key point:

\dfrac{120}{400} \times 100\% = 30\%

is the part used, not the part left.

Answer:

Option A (

70\%

)

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