Respuesta :

 1.) Original Price = 159.95 + 20%(159.95) 
= 159.95 + 31.99 
= $191.49 

2.)Discount Dollars = $69.99-$39.99 = $30.00 
$30 is x% of $69.99 
30 =x/100 (69.99) 
x ~ 42.86%