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In-s [12.5K]
3 years ago
11

Please help just look at the pic

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Answer:

it wont let me see

Step-by-step explanation:

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Let's call your speed "a"

her walking speed is then "2a"

and her friend's scooter speed is 10 a

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so the time (t)you need is:

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and her time is:
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now we count (we know that her time is 30 minutes)

30= \frac{d}{4a}+\frac{d}{20a} //multiply by 20a

600a= 5d+d
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Now, in order to calculate your time we need to calculate:

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which means that you need 100 minutes, or 1 h 40 minutes!!!

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3 years ago
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Step-by-step explanation:

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0.6 repeating as a fraction is 2/3

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