Hi! Please help me solve this: How did the temperature change if:
at first it decreased by 10% and then by 30%?
(I need the percent value)

the first option is the answer.

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1