For option d:
5x - 7y = 10 . . . . . (1)
10x - 14y = 8 . . . . (2)
(1) x 2 => 10x - 14y = 20 . . . . . (3)
(2) - (3) => 0 = -14 [not possible]
Therefore, the set of equations in option d, has no solutions.
Both of the magazines could cost $6 or one magazine could cost $3 and the other $9.
Answer:
m<13
Step-by-step explanation:
Answer:
cannot see properly,take it again and send