The answer is 78. This is because you change 8 2/3 into a improper fraction which is 26/3. Then do 26/3×9/1. You should cross cancel so cancel out 3 and change it into 1 and change 9 into 3. So now your problem is 26×3=78.
~JZ
Hope it helps.
209÷47= 4.45, but you cant mos part of a lawn, so he needs to mow 5 lawns
5000*0.03+0.05x=275
Solve for x
X=2500
The answer is b