Answer: 84 tickets
Step-by-step explanation:
We are told the ratio of the number of tickets Mark collected to the number of tickets Julia collected is 4:3
(1)
In addition, we are told Julia collected 36 tickets:
(2)
Substituting (2) in (1):
(3)
Isolating
:
(4)
Adding Mark's tickets to Julia's:
Therefore, both collected 84 tickets.
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
y=-x9-n
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Answer:
z= 6
Step-by-step explanation:
You check it by plugging the value, z, into the equation.
11(6)-5=9(6)+7
61=61