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Question 307100: Dachun has five times as many coins as Austin. Dachun also has 16 more than Austin.
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! Let D = number of coins of Dachun
A= number of coins of Austin
There are actually two equations:
D= 5A
D= A+ 16
Since both equations are in the form "D=___", they are equal to each other:
5A=A+16
Subtract A from each side:
4A=16
A=4 coins
Solve for D in the first equation:
D=5A
D=5*4=20 coins.
Check in the other equation:
D=A+16
20=4+16 It checks!!
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Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus
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