Answer:
120x + 245 = y
x = number of additional tiers
(edited to be in the proper order)
The 1st one is 8 because a coin has 2 sides and you have 4 colors whats 2*4=?
Answer:
110.386
Step-by-step explanation:
what you have to do is take 20% of 142.25 (which you can do by looking it up or multiplying 142.25 by 20 and then multiplying that by .1) then you find 3% of that and add the 3% (by using the steps i gave you for the 20%)