519/6=86.5
915/7=130.7142
439/7=62.7142
812/9=90.2222
so i think its the 1st on but i may be wrong.
Here, as I can see, you are adding fractions, and making sure you have a common denominator.
12) is correct
13) is correct
You got a common denominator, and added them up! Great job! <span />
28, because 150/7 is about 21 and 28 is the closest answer. I would need more info for it to be a definite answer but that is what I would choose. Hope I helped!
B.Silas because she did more in less time he handed out 300 but in 2 hours and she handed out 240 in 90 minutes she handed out more brochures
