Answer:
$0.30 x 4= $1.20
$3.00 divided by $1.20= $1.80
Step-by-step explanation:
I hope this is what you were looking for
Answer:
For the answer to the question above, it is -18% because to find rate we subtract the rate, in this case, is .82 or 82% - 1 or 100% and that would give you the rate, in this case, its decreasing by an 18%
-Hope this helps<3
Answer:
Age of Mark
years
Age of Mark's dad
years
Age of Mark's sister
years
Step-by-step explanation:
Let age of Mark be
years.
Mark's dad is three times older than Mark
Age of her Mark's dad 
Mark's sister is 2 years younger than Mark
Age of Mark's sister
years
The sum of their ages is 48.

Age of Mark
years
Age of Mark's dad
years
Age of Mark's sister
years
Answer:
I believe it is 14226.3
Step-by-step explanation:
You didn't say what shape it is or which ones are length, width, etc. But to find area(in most cases) multiply all the dimensions together.
Hope this helps!