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OLga [1]
2 years ago
12

Hector spend $33.75 for 2 DVD that cost the same amount. The sales tax on his purchase was $3.15. Hector also used a coupon for

$1.00 off his purchase. How much did each DVD cost?
Mathematics
1 answer:
Makovka662 [10]2 years ago
7 0

Answer:

15.8 dollars per dvd.

Step-by-step explanation:

<em>Our equation for this problem is:</em>

<em />

<em>v = how much one dvd costs</em>

<em />

<em>2v + 3.15 - 1 = 33.75</em>

<em>2v +3.15 =34.75 (added 1 on both sides)</em>

<em>2v = 31.6 (subtracted 3.15 from both sides)</em>

<em>v = 15.6 (divided by 2 on both sides) </em>

<em />

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The simplification of the given expression (4-5i)(2+6i)-(3-2i), we get -30i^2+16i+5.

Given expression is:

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By applying the multiplication, we get

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Learn more:

brainly.com/question/19593573

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