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General
Easy

Question

Alex went to market to purchase tomatoes. He bought 4.5Kg tomatoes at the rate of $12 per kg. How much did he spent ?

  1. $45
  2. $30
  3. $54
  4. $25

The correct answer is: $54


    Cost of 1kg tomatoes = $12
    Cost of 4.5kg = 4.5 x 12 = $54

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    C subscript 6 end subscript H subscript 5 end subscript C H O plus C subscript 6 end subscript H subscript 5 end subscript C H O fraction numerator N a O H over denominator capital delta end fraction C subscript 6 end subscript H subscript 5 end subscript C O O N a plus C subscript 6 end subscript H subscript 5 end subscript C H subscript 2 end subscript O H
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