Answer:
- 
Step-by-step explanation:
Given

= 
=
, substitute values
= 
= 
= - 
Step-by-step explanation:
Store a must offer 30%
Step-by-step explanation:
-20+11
negative and positive sign will change in negative so ans will be=-9
because positive sign is on greater number
9514 1404 393
Answer:
25
Step-by-step explanation:
Inverse variation means ...
y = k/x
For the given values, we can find k to be ...
k = xy = (5)(10) = 50
Then for x=2, we have ...
y = 50/x
y = 50/2
y = 25 . . . when x=2
Answer:
5, -1
Step-by-step explanation:
3x<10+8, 3x<18, x<6.