3 years ago

CDs are $15.25 each how much will it cost to buy 3

Mathematics

1 answer:

Sonja [21]3 years ago

7 0

Question

CDs are $15.25 each how much will it cost to buy 3

Answer:

Step-by-step explanation:

1 CD = $ 15.25

multiply the unit price by 3

15.25 * 3 = 45.75 $

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2 years ago

A flat rectangular piece of aluminum has a perimeter of 62 inches. The length is 15

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Answer:

So, the required width of rectangular piece of aluminium is 8 inches

Step-by-step explanation:

We are given:

Perimeter of rectangular piece of aluminium = 62 inches

Let width of rectangular piece of aluminium = w

and length of rectangular piece of aluminium = w+15

We need to find width i.e value of x

The formula for finding perimeter of rectangle is: $Perimeter=2(Length+Width)\\$

Now, Putting values in formula for finding Width w:

$Perimeter=2(Length+Width)\\\\62=2(w+15+w)\\62=2(2w+15)\\62=4w+30\\62-30=4w\\4w=32\\w=\frac{32}{4}\\w=8$

After solving we get the width of rectangular piece :w = 8

So, the required width of rectangular piece of aluminium is 8 inches

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