Answer:
im not sure about number 8 but for number 7 you would do, 11 [tex]\frac{1}{2}[/tex] + 13 [tex]\frac{1}{3}[/tex] + 12 [tex]\frac{1}{4}[/tex] + 10 [tex]\frac{1}{5}[/tex] and then find out what it equals for the answer :)
Step-by-step explanation:
