Answer:
-18 is the ans you can calculate it
Given:
The discount is 25%.
The selling price of the shirt after the sale is $20.99.
To find:
The selling price of the shirt before the sl;e
Explanation:
Let the old price be x.
The equation can be framed as follows,

Final answer:
The selling price of the shirt before the sale is $27.99.
Answer:
x = 5/4
Step-by-step explanation:
√2+√2+√2+√2 = 2^x
4√2 = 2^x
4√2 =
= 
x = 5/2
If on the day of starting x = 1
<span>y = 43*3^(x-1)</span>