Respuesta :
10% Discount
$85.00
10% x $85.00 = $8.50
$85.00 - $8.50 = $76.50 (this is what Rhonda did)
90% x $85.00 = $76.50
Because 100%-10% is 90%, she only has to find 90% of the original price.
The best expression would be 90% x $85.00.
$85.00
10% x $85.00 = $8.50
$85.00 - $8.50 = $76.50 (this is what Rhonda did)
90% x $85.00 = $76.50
Because 100%-10% is 90%, she only has to find 90% of the original price.
The best expression would be 90% x $85.00.