Aiutami con la mia matematica
Una lampada è in vendita e il suo prezzo è ridotto da $ 80 a $ 50.
Qual è la percentuale di diminuzione?
0.3
0.375
0.625
30
37.5
62.5
Kevin compra 4 sedie pieghevoli. Ogni sedia costa $ 13,50. L'imposta sulle vendite è del 6,5%.
Qual è l'importo delle tasse di vendita per gli acquisti di Kevin?
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