Question

If the cost per metre of cloth is Rs (3a-12), find the cost of (6a-3) metres of cloth. (No need to enter unit of measure in your answer)

Answer 1

Step-by-step explanation:

cost of 1 meter cloth is 3a-12

cost of 6a-3 meter cloth is ? =x

  cross multiplication

  {3a-12}{6a-3} = {1}{x]

   x ={3a-12}[6a-3}/1

   x =9{a-4}{2a-1} rupees