the cost of a phone is reduced by 20%. the new cost is $70.40 . what was the original price?
1. $88.00
2.$84.00
3.$58.40
4.$56.00

Respuesta :

2, $84
$70.40×.2=$14.08
$70.40+$14.08=$84.48, so it would be $84
$84.00 is your answer