Math word problem help needed

Mathematics
Tutor: None Selected Time limit: 1 Day

Sammy and David were selling water bottles to raise money for new football uniforms. Sammy sold 5 water bottles for every 3 water bottles David sold. Together they sold 160 water bottles. How many did each boy sell?

Oct 22nd, 2015

Thank you for the opportunity to help you with your question!

assume sammy sell s bottle, and david sell D bottle, then we have 

S+D = 160 

S/5 = D/3 

D = 0.6 S

S+0.6S = 160 

S = 100

D = 60 

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 22nd, 2015

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Oct 22nd, 2015
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Oct 22nd, 2015
Dec 2nd, 2016
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