The mean of 5 and 15 is 10. (5+15= 20 20/2=10)
After you do the distributive property, it would be -21n-3
1).2:5
2). If pan has 40 dollars in her account that means her brother has 100 dollars since all your doing is 20×2=40 20×5=100
3). Im not sure about this one but I assume it is 4:10
(I dont know what a tape diagram is but I hope this helped).
I think it's c 100 because I need to see the diagram
Answer:
Can you show the picture that's a pdf