ed buys a plot of land lor < 480000. He sells 5。should he sell the remaining part of the plot to gain 10% on the whole?A grocer bought sugar worth ofper cent must the remaining sugar be sold to have a gain of 12% on the whole?344500. He sold one-third of it at again of 10%. At what gain

ed buys a plot of land lor < 480000. He sells 5。should he sell the r

1.	ed buys a plot of land lor < 480000. He sells 5。should he sell the remaining part of the plot to gain 10% on the whole?A grocer bought sugar worth ofper cent must the remaining sugar be sold to have a gain of 12% on the whole?344500. He sold one-third of it at again of 10%. At what gain
Answer» Thanks but can't under stand from where 540 cone in last second rule