If the price of gold increases by 30%, find by how much the quantity of ornaments must be reduced so that the expenditure may remain the same as before?
A. 30% B. 23 1/3 % C. 20% D. 19%

• the formula for this situaion is..
  100* (R)/(100+R)
  100*30/130= 23.08 %
• 11 years agoHelpfull: Yes(18) No(0)
• If x is initial price and y is initial quantity, then amt spent = x*y
  now 1.3 x is gold price and f*y is final quantity such that
  x*y = 1.3*x*f*y
  then f = 1/1.3= 0.769
  reduction in quantity = 1-0.769 = 0.231
  so quantity of ornaments should be reduced by 23.1 %
• 12 years agoHelpfull: Yes(10) No(3)
• Ans is 23 1/3%
• 9 years agoHelpfull: Yes(1) No(0)