Monday

October 20, 2014

October 20, 2014

Posted by **Emily** on Monday, March 31, 2014 at 2:25am.

- math -
**Steve**, Monday, March 31, 2014 at 5:34am2w + b = 36

2w + 2b = 56

well, since she walks 2 hours in each case, it is clear that the extra hour of biking gave her an extra 20 km.

b = 20

so, since 2w+20=36, w=8

- math -
**Emily**, Monday, March 31, 2014 at 6:51amThank you so much. I got really confused on the system of equations but I think I understand it now. Thank you :)

- math -
**Steve**, Monday, March 31, 2014 at 1:53pmGlad to help. Translating words into symbols can be tricky, but the key is just to examine the data carefully. Believe it or not, it gets easier with practice, just like everything else.

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