Question

8a=3b and 25b=8c when a+b+c =180 find a​

Answer 1

Answer:

8a=3b and 25b=8c

3b=8a

b=8a/3

8c=25b

8c=(25×8a) /3

c= (25×8a) /3×8

c= 25a/3

a+b+c =180

a+8a/3+25a/3=180

(3a+8a) /3+25a/3 =180

11a/3+25a/3= 180

(11a+25a)/3=180

36a =180×3

a= (180× 3)/36

a=15