r=-9
e=6
t=4/5
re/t=
-9 x 6/4/5=54 x4/5=54x5/4=67.5
check this I think this is right
0 0
You dropped the negative sign.
Should be -67.5
e=6
t=4/5
re/t=
-9 x 6/4/5=54 x4/5=54x5/4=67.5
check this I think this is right
0 0
Should be -67.5