Question

20% of x = 30 % of y + 40% of z​

Answer 1

Step-by-step explanation:

x/5=3y/10+2z/5

:- x/5= 3y+4z/10

:- 2x=3y+4z

Answer 2

Answer:

20% of x =20/100*x=x/5

30% of y=30/100*y=3*y/10

40% of z=40/100*z=2*z/5

x/5+3*y/10+2*z/5=2*x+3*y+2*z=7*xyz/10