Seudónimo
Seudónimo
01-11-2016
Mathematics
contestada
Need help please like I think I'm screwed
Respuesta :
kaoook12
kaoook12
01-11-2016
1hr 30 mins= 60mins+30mins=90mins
140$=90mins
In one minute, they make 140/90=14/9
in 9 hours=9*60mins=540mins
540*14/9=840
therefore,they make 840$ in 9 hours
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