04-03-2017
Mathematics

contestada

At the market 5 light bulbs cost 9.85. How much do 7 light bulbs cost?

Respuesta :

Аноним Аноним

04-03-2017

The unit rate is $1.97 per lightbulb. Multiply $1.97 by 7 to get 13.79

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keisurin keisurin

04-03-2017

cost = (9.85/5) * 7
=13.79

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