Answer:
The value of y is one
Step-by-step explanation:
Hope it helps
Answer:

Step-by-step explanation:
Given

Required
Find V when

Substitute
for r in 

Open bracket


Simplify the fractions

Let

So:




$21.00
let the original price = 100%
then the discount price = 100 - 15 = 85%
divide $17.85 by 85 to obtain 1% then multiply by 100 to obtain original price.
original price = $17.85 ×
= $21
Answer: 36000
Step-by-step explanation:
try looking it up lol