B = (5/9)A
C = (1/2)(A+B)
C = (1/2)(A+(5/9)A)
C=(5/18)A
A + B + C = 91
A + (5/9)A + (5/18)A = 91
(33/18)A = 91
A = 49 + 7/11
B = (5/9)A
B = (5/9)(539/11)
B = 27 2/9 or 27.22
M-7<6
add 7 to each side
M-7 +7 < 6+7
M < 13
this is true for all values of M less than 13
Yeah i don’t know either sorry
