Answer:
x=88
y=420
Step-by-step explanation:
Multiply the first equation by 3 and the second by 5 to cancel out.

Now plug y into one of the original equations.

Hope this helps! <3
Answer: it depends on a wrapping paper
Step-by-step explanation:
Answer:
Average (additional) income = 100 - 50/x
Step-by-step explanation:
Ryan's additional income = 100x - 50 , where x = quantity of colored watch bands
Ryan's additional average income = Income / Quantity of watches sold
(100x - 50) / x
= 100 - 50/x