anyone29 anyone29
  • 11-09-2016
  • Mathematics
contestada

please help me on this one!!! i dont get it

please help me on this one i dont get it class=

Respuesta :

DianaK3 DianaK3
  • 11-09-2016
Fee (f):
470=f+7(1.2f)
470=f+8.4f
470=9.4f
f=470/9.4
f=50
Fee is 50$
Now, to find how much he charges an hour (h):
h=1.2f
h=1.2×50 (we just found out that fee charge is 50$)
h=60
He charges 60$ an hour.
Now lets check:
Does 7(60)+50 equal to 470?
Yes. So, fee is 50$ and hour charge is 60$.
Hope this helps.
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