Answer:
726
Step-by-step explanation:
The simple interest formula is as follows
AV=PV(1+it)
At time four this means that we have
AV=600(1+.042*5)
600*1.21= 726
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%.
RS would be equal to 25 because 15 + 25 = 40
I hope someone solves your problem :)
For question 1
x^7
for question 2
h^9