3 years ago

Which certificate does Jenny require?

Mathematics

1 answer:

Airida [17]3 years ago

7 0

Can you give some more details please thank you

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3 years ago

in a farm there are 600 mango trees. the number of trees in each row is 10 less than twice the number of rows. does each row hav

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The area of the farm is the number of trees on it.

Each row of the farm does not have 50 trees

Let

$x \to$ number of rows

$y \to$ number of trees in each row

So, we have:

$y = 2x - 10$ --- twice less than the number of rows

The area of the farm is:

$Area = x \times y$

Where

$Area = 600$ --- the number of trees

So, we have:

$x \times y = 600$

Substitute $y = 2x - 10$

$x \times (2x - 10) = 600$

Substitute 50 for x

$50 \times (2 \times 50 - 10) = 600$

$50 \times (100 - 10) = 600$

$50 \times 90 = 600$

$4500 = 600$

The above equation is not true.

This means that, each row does not have 50 trees