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miya763
19.09.2019 •
Mathematics
Awoman bought a necklace for $300 and then sold it for $600. she bought it back for $700 and sold it again for $900. how much did she gain or lose on these transactions?
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Ответ:
By buying the necklace, she lost $300.
This means she has -300 dollars.
Then, she gained $600 for selling the necklace. Add 600.
-300 + 600 = 300
She now has $300 again.
Next, she buys it for $700. Subtract 700.
300 - 700 = -400
She has negative $400.
Finally, she sells it for $900. Add 900.
-400 + 900 = 500
She has $500 at the end.
She gained $500 from the transactions.
Ответ:
A and C
Step-by-step explanation:
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