Hey I need help on that too. Do you want to be friends with me??
Hey there!
"9 pounds more than" means that you'll be adding 9 to the expression.
"half the weight w" means that you'll be calculating half of w each time you solve the equation, or 0.5w.
Your entire expression will be 0.5w + 9.
Hope this helped you out! :-)
Answer:the mean is 90
Step-by-step
you find the sum of the values then divide them by the amount of numbers in the set