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Answered

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Dena is biking down a 9/10 mile bike trail. She stops to greet a friend after biking 1/3 of a mile. How much farther does she need to travel?

Sagot :

TSOidn
[tex] \frac{9}{10} - \frac{1}{3} = (\frac{9}{10} \times \frac{3}{3}) - (\frac{1}{3} \times \frac{10}{10})= \frac{27}{30} - \frac{10}{30} [/tex]

[tex]= \frac{17}{30} [/tex]
IGreenidn
x = 9/10 - 1/3

Where 'x' is the amount she needs to travel.

Subtract 1/3 from 9/10.

9/10 - 1/3

Convert to denominators of 30:

27/30 - 10/30

Subtract the numerators:

17/30

So she has to travel 17/30 miles more.
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