Respuesta :

sparx5112
900*21= 189 (discount amount) so, subtract discount amount from original sale price to get final sale price.
900-189= 711 (sale price)

Discount offered on exercise machine is $189. Its selling price is $711.

What is discount?

Discount is the reduction in the price of goods or services offered by shopkeepers at the marked price.

Discount = List Price - Selling Price

Discount (%) = (Discount/List Price) × 100

List price = $900

discount% = 21%

[tex]21 = \frac{discount}{900} *100\\\\Discount = 21*9 =189\\\\selling\ price = list price - discount = 900 - 189 = 711[/tex]

Learn more about discount here

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