You start with 100%, add 80% for the increase and you get 180%, take away 40% for the decrease and you get 140%
The simplified expression of
is
.
Solution:
Given expression is
.
To simplify the given expression.

Using exponent rule: 

Using another exponent rule: 


Using exponent rule: 


Hence the simplified expression of
is
.
Specific data is show I believe
Answer: 85
Step-by-step explanation: 15 × 6= 90 - 5= 85