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ddd [48]
3 years ago
15

Gabby earned $70 selling 10 bracelets. How many bracelets does she need to sell to earn $210?

Mathematics
1 answer:
andriy [413]3 years ago
5 0

Answer:

30 bracelets

Step-by-step explanation:

$70 - 10 bracelets

$7 - 1 bracelet

Times 30

$210 -30 bracelets

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Can somebody help me with this?
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Step-by-step explanation:

Hey there!

By looking through figure, l and m are parallel lines and a transversal line passes through the lines.

Now,

7x + 12° = 12x - 28°( alternate angles are equal)

12°+28° = 12x - 7x

40° = 5x

x =  \frac{40}{5}

Therefore, x = 8°

Now,

12x - 28° + 9y - 77 = 180° ( being linear pair)

12×8° - 28° + 9y -77° = 180°

96° - 28° + 9y - 77° = 180°

-9 + 9y = 180°

9y = 180° + 9°

y = 189°/9

Therefore, y = 21°

<u>There</u><u>fore</u><u>,</u><u> </u><u>X </u><u>=</u><u> </u><u>8</u><u>°</u><u> </u><u>and</u><u> </u><u>y</u><u>=</u><u> </u><u>2</u><u>1</u><u>°</u><u> </u><u>.</u>

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Step-by-step explanation:

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