Respuesta :
Answer:
$80
Step-by-step explanation:
If 10 glasses cost $40, then 20 glasses would cost double the price that 10 does.
$40*2= $80
Answer:
$80
Step-by-step explanation:
If 10 glasses cost $40, then 20 glasses would cost double the price that 10 does.
$40*2= $80