Question

The school secretary was making copies of flyers to send home with all the students in the school.She used 1.33 packs of paper in the morning She used another 3.4 pack of paper.If she had 7 packs of paper in the morning If she had 7 packs of paper when she began how many are left

Answer 1

Ok so
had 7 to begin with
used 1.33
then used 3.4

so
7-1.33-3.4 is the question

7=1+4+2 so
7-1.33-3.4=1+4+2-1.33-3.4=1+(2-1.33)+(4-3.4)=1+(0.67)+(0.6)=1.67+0.6=2.27

2.27 stacks of paper left