marckeltoocold marckeltoocold
  • 14-02-2018
  • Mathematics
contestada

At the market, 5 light bulbs cost $9dollar 
How much do 7 light bulbs cost?

Respuesta :

ariamna17 ariamna17
  • 14-02-2018
9/5= 1.80
1.80x5= 9 
so, each light bulb costs 1.80
1.80x7=12.6
the answer is 12.6
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