Im not sure how to do the equation part but Sarah's dog is 20 pounds and her sisters is 40 pounds.
2/5, the formula is art over swimming, 16/40, then simplify 2/5
Answer:
D
Step-by-step explanation:
Which is about .57
its the second one....
x = 3
5x - 8 + 8 = 7 + 8
5x = 15
5x/5 = 15/5
15 divided by 5 equals 3
Hope this helped you out :)