Multiple choice

Rayan owns a food store. The food store sells a lot of fruits and vegetables. James wants to buy 4 dozen bananas from Rayan. If the cost of 15 bananas is $3 for Rayan, at what price should he sell 4 dozen bananas if he wishes to earn a profit of 30%?

  1. $12.48
  2. $13.23
  3. $14.47
  4. $15
  5. $16.12
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A Correct answer
Explanation

Cost of 15 bananas is 3 dollars, so 1 banana costs 0.20 dollars. 4 dozen is 48 bananas, costing 48 * 0.20 = 9.60 dollars. A 30 percent profit means selling at 9.60 * 1.30 = 12.48 dollars.

AI explanation

Using the unitary method, 4 dozen bananas equals 48 bananas. The cost price for 48 bananas is calculated by multiplying 48 by the rate of \$3 per 15 bananas, which results in a total cost of \$9.60. To earn a 30% profit on this cost, the selling price is 9.60 multiplied by 1.30, which equals $12.48.

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