As we can see that common difference is increasing to one more digit after every term
so it means
a21 = 231
The price after the discount is $3.706
<h3>Discount price</h3>
Give the following parameters
- cost of ice cream = $4.36
- Percent-off coupon = 15%
Discount = 0.15 * 4.36
Discount = $0.654
Price after the discount = $4.36 - 0.654
Price after the discount = $3.706
Hence the price after the discount is $3.706
Learn more on discount here: brainly.com/question/24304697
Answer
Solution:
p = 79
n = 52
Step-by-step explanation:
Given equations:
A) 
B) 
To solve for 
and 
Naming the first equation as A and second as B.
Using elimination method to solve.
In order to eliminate we subtract equation A from B.
Subtracting A from B i.e [
(B)
- (A)
We get, 
Dividing both sides 2.26.
∴ 
We can solve for by substituting in equation A.
Subtracting both sides by 52.
∴ 
