ponygirls231
ponygirls231
30-01-2018
Mathematics
contestada
Help me with this question please!!!!!!
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anchitthawi
anchitthawi
31-01-2018
Trey's : $20+ $0.80song
Deb's : $21 + $0.60 song
20+0.8s = 21+0.6s
0.8s-0.6s= 21-20
0.2s=1
then s = 1/0.2 = 5
so the monthly charge will be the same for both clubs for 5 songs.
and it will cost $20+$0.80(5)= $20+$4= $24.
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