Answer:
10
Step-by-step explanation:
1/2×(-2-(-7))×(6-(-4))
The answer would be 14 because 14+4 equals 18
$393.60
Hi... U should do like this..
3x+6=12
-6. -6
3x=6
Divid three by both sides.
X=2
Each penicillin cost 2 dollars