Terence W.
asked • 03/09/18
Rita, Chau, and Keith have a total of $75 in their wallets. Chau has 2 times what Keith has. Rita has $5 less than Keith. How much does each have?
Bobosharif S.
answered • 03/09/18
Mathematics/Statistics Tutor
Let x stands for how much Rita has, y for Chau and z for Keith. Then
x+y+z=75
y=2z
x=z-5
z-5+2z+z=75
4z=80,
z=20 (Keith has $20)
y=40 (Chau has $40)
x=15 (Rita has $15)
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