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Minny has two coupons, but can use one of them. The first one is for $5 off an item; the second coupon is for 20% off an item. The product she is buying costs $28.

Part A: Which coupon should she use ?

Part B: How much money will she save by using the better coupon?

Respuesta :

Let's first solve for the $5 off coupon,

[tex]28 - 5 = 23[/tex]

The final total is $23.00 with $5 off.

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Now for the final price of the 20% off coupon,

[tex]20\% = 0.2[/tex]

0.2 or 0.20 is decimal form of 20%. Easier to multiply than in percent form!

[tex]0.2 \times 28 = 5.6[/tex]

$5.6 or $5.60 is 20% of 28, we're not done yet!

Lastly, subtract 20% off of 28 (5.6) from 28,

[tex]28 - 5.6 = 22.4[/tex]
$22.4 or $22.40 is the final after 20% off!

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Q. Which is less after the discounts??

$23.00 or $22.40

A. $22.40 of course which was the 20% off.

Part A : Which coupon should she use ?

Answer : Well, to get a lower price, less to pay, the 20% off coupon is better!

Part B: How much money will she save by using the better coupon?

Answer : $5.6 / $5.60 is the amount she'll save!

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I hope that helps you out!!

Any more questions, please just ask me!!

~ Zoey

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