I just took my ASVAB test and I couldn't get this one question:

I just took my ASVAB test and I couldn't get this one question:
X=4 y=1/4
3(x+6y) - xy

The 3 answer choices I remember were
15-1/2
17-1/2
71-1/2

WHAT THE FUCK REEEEEEEEEE

lel, enjoy being a cook or something

3(x+6y) - xy
3(4+6*1/4)-4*1/4
3(4+6/4)-4/4
12+18/4-1
11+18/4
11+4+2/4
15+2/4
15+1/2

hm, weird OP

3 x ( 4 + 6/4)
3 x ( 5.5)

3(4+6(1/4))-4/4
3(8/2+3/2)-1
3(11/2)-2/2
33/2-2/2
34/2-1/2
17-1/2
ez af

It's 16 -1/2 wtf

proof?

>17-1/2
wait nvm youre right
am retard

>15-1/2
did you mean 15.5?

3((4)+6(1/4))-(4)(1/4)
3(4+6/4)-(1)
3(22/4)-1
(66/4)-1
(33/2)-1
31/2
15+1/2