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3 years ago

a photograph 6 inches wide by 8 inches long is scaled to 12 inches long in a book.what is the width of the published picture?

Mathematics

1 answer:

Stels [109]3 years ago

7 0

Answer:

In this book the picture width will be 9 inches.

Step-by-step explanation:

Write and solve an equation of ratios as follows:

8 inches long 6 in wide

----------------------- = -----------------

12 inches long x

Then 8x=(6)(12), or x = 9 (inches).

In this book the picture width will be 9 inches.

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solong [7]

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<u>Solution:</u>

Given, expression is 0.6 ( 4 – 2x ) = 20.5 – ( 3x + 10 )

We have to solve the above given equation for x.

Now, take the equation

$\rightarrow 0.6(4-2 x)=20.5-(3 x+10)$

We have to use BODMAS rule. BODMAS means sequence of operations which is brackets, order, division, multiplication, addition and then subtraction

On solving the brackets, we get

$\rightarrow 0.6 \times 4-0.6 \times 2 x=20.5-3 x-10$

Now multiplication is given preference

$\rightarrow 2.4-1.2 x=10.5-3 x$

$\rightarrow 3 x-1.2 x=10.5-2.4$

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