
Bill K. answered 10/13/15
Tutor
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PhD in Physics with 10+ Years of Teaching Experience
what is tape diagrms?
Let x = number of flip phone owners
y = number of smartphone owners
y/x = 5/3 → y = 5x/3
y = x + 1000
5x/3 = x + 1000
2x/3 = 1000
x = 1500
y = 5x/3 = 2500