If all angles are equal it must be an equilateral triangle which means the measure of Y is 60°
Hey! Your answer would be A. (1/5)(-20)
Answer:

Step-by-step explanation:
We know that for principal amount P , time period T and rate of interest
, simple interest is given by
.
Here ,

To find : simple interest rate i.e., 
On putting values of
in formula , we get 

Now we need to round off the answer to the nearest tenth .
So, simple interest rate is % =
=
Answer:5m
Step-by-step explanation:
3m +m+m=5m not 3m +2