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svp [43]
4 years ago
5

Can someone help me ? If Tina can type a paper in 5 hours and together she and Tyra can type the paper in 2 hours, how long woul

d it take Tyra to type the same paper alone?
Mathematics
2 answers:
SpyIntel [72]4 years ago
5 0

Answer: 3 1/3 hours

Step-by-step explanation:

Tina rate: 1/5 job/hr

Together rate: 1/2 job/hr

Tyra rate: 1/x job/hr

---------

Equation:

rate + rate = together rate

1/5 + 1/x = 1/2

2x + 10 = 5x

3x = 10

x = 3 1/3 hrs (time for Tyra to do the job alone)

horsena [70]4 years ago
4 0

Answer:

3 1/3 hours

Step-by-step explanation:

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Please check the attached graph below.

Step-by-step explanation:

Given the line

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