If i divide 12 apples into 2 bags, how do i draw a number bond to show my appled

Carlos has 4/5 of a tank of fuel in his car. he uses 1/10 of a tank per day. how many days will his fuel last?

Answer this question! 30 points and brainliest! only if you know the answer.

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1