Answer:
x∈{-7√2, 7√2}
Step-by-step explanation:

The decrease:
125000 - 117500 = 7500
Percentage of decrease = 7500/125000 x 100 = 6%
For number 30 its 3
10
for 34 its 2
1/3
Hey there!!!
Given equation - 3x+6y
x is given as -3
y is given as 6
Plugin these values to get the final answer
3 ( -3 ) + 6 ( 6 )
-9 + 36
= 27
27 is the final and the required answer
Hope my answer helps!