Question

Pehal and Ishaan we're making 100g sugar solutions with concentration by mass 20% and 50% respectively.Pehal added 20g of sugar in her solution whereas Ishaan evaporated 20g of water from his solution. Now the two solutions were mixed to form a final solution. The concentration by mass of final solution is

A) 28%
B)45%
C)40%
D)60%

Answer 1

hey mate
here's the solution....

Answer 2

Which is the. Factor of 2x^4+1+3x^2