52.4/2= 26.2
26.2-3= 23.2
So the original number = 23.2
X+2y=2 …(1)
x-2y=-2…(2)
(1)-(2): (x+2y)-(x-2y)=2- (-2)
4y=4
y=1
subs y=1 into(1)
x+2(1) =2
x=0
so x =0 y=1
the answer is C
F(3)={2(3)-9}
F(3)={6-9}
F(3)={-3}
We can help you and somebody can help you with calculator
At three hours as car a has already traveled a hour which making it three therefore making car b equal 2 hours or in a math equation 40×3=car b and 60×2=car a