Respuesta :

dom9911
9 articles would cost you around $40.5 because you would devide 90 by 20 and u get 4.5 then u multiple it by 9 and it gives u 40.5
anu20

Answer:

40.50

Step-by-step explanation:

1. 90 ÷ 20 = 4.50

2. 4.50 × 9 = 40.50

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