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The price of commodity was reduced from five naira to four naira twenty kobo. Express the reduction as a rate of kobo in naira.

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Answer: To express the reduction as a rate of kobo in naira, we need to calculate the difference between the original price and the new price, and then convert that difference to kobo.

The original price was 5 naira, which is the same as 500 kobo (since 1 naira = 100 kobo). The new price is 4 naira and 20 kobo, which is the same as 420 kobo.

The reduction in price is the difference between the original price and the new price:

500 kobo - 420 kobo = 80 kobo

So the reduction in price is 80 kobo.

To express the reduction as a rate of kobo in naira, we need to divide the reduction (in kobo) by the original price (in naira) and then multiply by 100 to get a percentage:

(reduction in kobo / original price in naira) x 100

Substituting the values we have:

(80 kobo / 500 kobo) x 100 = 16%

Therefore, the reduction in price is 16% expressed as a rate of kobo in naira.

User Sarthak Gupta
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