# Help me solve this Math problem?

**URL:** <https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447>\
**Category:** Unrelated Discussion\
**Created:** [March 22, 2019, 1:17pm UTC](https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447 "2019-03-22T13:17:09Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![anon24651](https://avatars.discourse-cdn.com/v4/letter/a/8491ac/32.png) [@anon24651](https://forums.yoyoexpert.com/u/anon24651)\
**Post date:** [March 22, 2019, 1:17pm UTC](https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447/1 "2019-03-22T13:17:10Z")

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![fORMULAS](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/d/d/7/dd784f979350f37f906207541dda698c76023f2e.png) ![TaD1](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/d/e/0/de07c0fe68b7d66236cd58a2d54377844fe5138d.png) ![tAD2](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/b/1/7b14d63271983fe609584f0b3b39f5629087e5ed.png)

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**Author:** ![feryuweryu](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/feryuweryu/32/42092_2.png) [@feryuweryu](https://forums.yoyoexpert.com/u/feryuweryu)\
**Post date:** [March 22, 2019, 1:53pm UTC](https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447/2 "2019-03-22T13:53:07Z")

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The explanation is straight forward enough, which part do you not get?

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**Author:** ![MattB](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/mattb/32/14529_2.png) [@MattB](https://forums.yoyoexpert.com/u/MattB)\
**Post date:** [March 22, 2019, 4:19pm UTC](https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447/3 "2019-03-22T16:19:17Z")

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Trains generally take longer to accelerate to top speed than cars, which makes the problem much more difficult and missing some crucial information. However, I imagine the author of the question neglected to address this and assumes instantaneous top speed for the purposes of the math problem.

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<div class="post-metadata">

**Author:** ![anon24651](https://avatars.discourse-cdn.com/v4/letter/a/8491ac/32.png) [@anon24651](https://forums.yoyoexpert.com/u/anon24651)\
**Post date:** [March 22, 2019, 5:15pm UTC](https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447/4 "2019-03-22T17:15:33Z")

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Yeah @MattB i agree with you.some information is missing and I am unable to understand the problem from the beginning.

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**Author:** ![anon24651](https://avatars.discourse-cdn.com/v4/letter/a/8491ac/32.png) [@anon24651](https://forums.yoyoexpert.com/u/anon24651)\
**Post date:** [March 22, 2019, 5:37pm UTC](https://forums.yoyoexpert.com/t/help-me-solve-this-math-problem/300447/5 "2019-03-22T17:37:23Z")

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Yeah I have understood the first step. Add 100 to numerator and denominator. So 50% is 100+50.