Answer:
in this question use the triangle property
A+B+C=180
than you will get the value of x
Answer:

Step-by-step explanation:
As given
if n erasers have a weight of 80 grams .
I.e
n erasera = 80 grams.
1 erasers weight .

Now find out the weight of the 50 erasers.

Simplify the above


10.125 as a percentage is 1012.5%