Respuesta :
divide the price paid by the original price:
40 / 80 = 0.5
Multiply that by 100 for the percent:
0.5 x 100 = 50%
They paid 50% of the original price.
Answer:
50%
Step-by-step explanation:
80/40=2
40 is half of 80, which means the customer paid 50% of the original price.