SOLUTION: The price of a share of stock fell 5% on Monday. Then, rose 20% on to Tuesday to $228. What was the price of the share of stock before trading began on Monday?

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Question 981143: The price of a share of stock fell 5% on Monday. Then, rose 20% on to Tuesday to $228. What was the price of the share of stock before trading began on Monday?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
S - price on Sunday night
M - price on Monday night
T - price on Tuesday night
M=S-%285%2F100%29S=0.95S
T=M%2B%2820%2F100%29M=1.2M
So,
1.2M=228
M=190
and
0.95S=190
S=200