Answer to Q81
A + B - C = 6; A - B + C = 8. What is A?
A + B - C = 6 (eqn i)
A - B + C = 8 (eqn ii)
Add eqn i to eqn ii, it becomes
2A = 14
A = 14 ÷ 2
A = 7
Answer: 7
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A Telegram spokesman declined to comment on the bond issue or the amount of the debt the company has due. The spokesman said Telegram’s equipment and bandwidth costs are growing because it has consistently posted more than 40% year-to-year growth in users.
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