Question

If, x+x+x=30; y+y+y=15 and z+z+z=24 then z+y×x is equal towhat?

Answer 1

3x=30
x=10
3y=15
y=5
3z=24
z=8
z+y×x
8+5×10
8+50
58

Answer 2

x+x+x=30
3x=30
x=10

y+y+y=15
3y=15
y=5

z+z+z=24
3z=24
z=8

then
z+y×x
=8+5×10
=8+50
=58