Step-by-step explanation:
Let there be x blue ribbons

Answer:
a) $(
)
b) $(20m + 7080 - 43200/m)
d) m= 36 or m= -60
e) $200
Step-by-step explanation:
Please see the attached pictures for full solution.
Answer:
9w+2/3
Step-by-step explanation:
add like terms
Answer:
x = 2y + 1 + (z/2)
Step-by-step explanation:
Just manipulate the equation to isolate x.
Answer:

Step-by-step explanation:
If you divide
by 4 (both numerator and denominator)
You get
which is equivalent to the given ration