Its is two since you take out the decimals then divide regularly
C.
if you multiply the 4 on each numbers inside of the parentheses then you’ll get ‘20c-8d’
Greatest common factor of 18 and 12 is 6
18/6 = 3
12/6 = 2
so she can make 6 bags...each containing 3 chocolate bars and 2 bags of cookies