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UkoKoshka [18]
3 years ago
10

Question 2 options:

Mathematics
1 answer:
Tatiana [17]3 years ago
3 0
The second equation becomes
-6x-18y=-12

5x+18y=23
-6x-18y-12

-x=11

x=-11

-11+3y=2

3y=13

y=13/3
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The one of Theo is 4/3 as long as the one of Leah, then we have that the length of the scarf of Theo is:

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Now, we know that if all the digits of a number add up to a multiple of 3, that number is divisible by 3.

520/3 = (519 + 1)/3 = 519/3 + 1/3 = 173 + 1/3

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