Question

First number:
second number:
third number:

Answer 1

a= 20

b= 11

c= 60

Explanation:

a= X

b= X-9

c= 3X

i dont know how explain this i only divide 91 of total X and how b is -9 is a bit more than the answer of the division

Answer 2

13+26+52=91

Explanation:

S=2F=2(13)=26

T=4F=4(13)=52

hope it helps