A solution is obtained by mixing 300g of `25%` solution and 400g of `40%` solution by mass. Calculate the mass percentage of the resulting solution.

A solution is obtained by mixing 300g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mus. Calculate the moss per centage of the resulting solution.

A solution is obtained by mixing 300 g of '25 %' solution and '400 g' of '40 %' solution by mass. Calculate the mass percentage of the resulting solution.