Answer:
9. It seems he was inactive/taking a break, as the line is completely straight.
I'm not sure about the others, but I hope that helps!
Step-by-step explanation:
Remember the order of operations.
Dividing fractions means multiplying a reciprocal.
3÷1/3=3×3/1=9
9-9+1=1
1 is your answer.
:)
30% is 24
45% is 36
take 15% and multiply it by however much it takes to make the percentage than multiply that by 12