As a smart consumer, you are always on the lookout for sales, coupons, and rebates. While shopping for new clothes, you notice that one particular brand of shirts is on sale for 20% off the original price. You also have a coupon for $10 off a $40 purchase. Coupons are applied after the 20% discount is taken. If each shirt originally costs $17.99, how many shirts would you need to buy to be able to use your coupon?

Respuesta :

$17.99 * 0.2 = $3.60 (amount taken off for each shirt)

$17.99 - $3.60 = $14.39 (per shirt)

40 / 14.39 = 2.779 (round to 3)

You'd have to buy 3 shirts in order to use your coupon.

($14.39 * 3 = $43.17, in order to get $10 off you'd need to spend at least $40)

As the smart customer, the sales coupons and rebates are essential, aspects of sales shopping.

  • When the sale of 20% is off the prices of the original prices then as per the coupon the shirts will cost 17.99 USD.
  • Hence the $17.99 * 0.2 = $3.60  
  • $17.99 - $3.60 = $14.39 (per shirt)
  • 40 / 14.39 = 2.779 (round to 3)

Thus can take 3 shirts with the same coupon.

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