Answer:
90
Step-by-step explanation:

Answer:
8.48%
Step-by-step explanation:
Given that,
The estimated bill = $480
Actual costing of the bill = $524.50
We need to find the percent error in the bill. It can be calculated as follows :

So, the percentage error in the bill is 8.48%.
The value of k is 60
131 - 11 = 120
120/2 = 60
hope this helped !
Answer: 6m -5
Distribute 5
m+ 5m-5
Simplify
6m -5
Answer:
I think (D)
Step-by-step explanation: