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## Quinn can type a report in 3 hours and his older sister takes 5 hours to type the same report. Working together, how long should it take the

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### Which equation(s) have x = –3 as the solution? log3(2x + 15) = 2 log5(8x + 9) = 2 log4(–20x + 4) = 3 logx81 = 4

## Answers ( )

Answer:1.87 Hours

Step-by-step explanation:Using simple formula for these type of problems

A*B/A+B

where A = 3 hours and B = 5 hours.