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mihalych1998 [28]
3 years ago
12

john worked five less than twice as many hours as Jane did how many hours did each work if together they worked 97 hours

Mathematics
2 answers:
il63 [147K]3 years ago
6 0

John worked 61 yours and Jane worked 36 hours


kompoz [17]3 years ago
6 0
<h3>Answer with Step-by-step explanation:</h3>

Let Jane worked for x hours

John worked five less than twice as many hours as Jane

i.e. John worked for 2x-5

Together they worked 97 hours

i.e. x + 2x -5 =97

i.e. 3x -5 =97

i.e. 3x = 102

i.e. x= 34

and 2x - 5= 2×34-5

                = 63

Hence, Jane worked for 34 hours

and John worked for 63 hours

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Answer:

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Step-by-step explanation:

We have these following probabilities:

A 60% probability that Alice watches TV.

If Alice watches TV, an 80% probability Betty watches TV.

If Alice does not watch TV, a 0% probability that Betty watches TV, since she cannot turn the TV on by herself.

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P = 0.6*0.8 = 0.48

There is a 48% probability that both Alice and Betty watch TV tomorrow.

b) What is the probability that Betty watches TV tomorrow?

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7 0
3 years ago
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7 0
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