Answer:
80 is the answer
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can multiply the two irrational terms, getting
.
We see that 4 is a factor of 84, so we can rewrite
as
. We can take the 4 out, getting
.
Answer:
28%
Step-by-step explanation:
3600$ × 20%
=3600 ×(20/100)
=3600 × 0.2
= 720
Actual Price = 3600 - 720
= 2880
Profit is at 4000$ = 4000 - 2880
= 1120$
%profit = (1120/4000) × 100
profit = 28%