Respuesta :

esteramanzo

Answer:

If 5 light bulbs cost $9, then each costs $1.8.

Then 7 light bulbs would cost $12.6.

Step-by-step explanation:

DummoBrain

Answer:

If 5 light bulbs costs $9

1 lights bulb‘s cost is 9 divided by 5.

9 divided by 5 is equal to $1.8

1.8 x 7 = $12.6

answer is 12.6

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