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7. Marisa is selling floral arrangements. Each arrangement uses 1 vase and 11 orchids. Each vase costs $4.00. Let C be the total cost of the arrangement and r be the cost of 1 orchid. Write the equation that Marisa can use to find the total cost of one floral arrangement.

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Respuesta :

In a single floral arrangement:

1 vase+ 11 Orchids=Total cost

So..cost of 1 vase= $4

Cost of 1 orchid= $r

So cost of 11 orchids= 11×$r

Total cost for 1 floral arrangement=$C

So eq:

4+11r=C

Hope it helped u ☺️