ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Playlist Fractions and Decimals 14 videos
Worried about adding and subtracting fractions? Never fear. It's so easy that it will only take up a fraction of your time: just use multiplication...
This video explains how to convert between decimals, percents, and fractions. All three of these languages are just different ways of showing parts...
Fractions Word Problems Example 511 Views
Share It!
Description:
Transcript
- 00:00
Thank you We sneak in and here's your smoke du
- 00:05
jour brought to you by gigante omar's it's seriously has
- 00:10
everything including a wal mart and target heart Gigantor mart
- 00:13
is having a sale Prices of all items in the
- 00:16
store had been reduced by thirty five percent If it's
Full Transcript
- 00:20
shirts on sale for twelve bucks then how much did
- 00:23
it cost before the sale Before that This can right
- 00:27
here in central answers All right um okay well we
- 00:32
could call her aunt flo and she'd be able to
- 00:34
answer this force in about two seconds because that woman
- 00:38
knows her way around the sale but we'd rather not
- 00:41
get roped into another hour long discussion about her gout
- 00:43
So let's try and go it alone All right there's
- 00:47
This shirt It used to cost x dollars that's what
- 00:50
we're trying to find But it went on sale for
- 00:52
thirty five percent off the regular price and now costs
- 00:55
only twelve dollars So well we get x minus thirty
- 01:02
five percent of x is twelve You got that We
- 01:07
know we can write percent's decimals something that would probably
- 01:10
be really helpful in this instance so we can also
- 01:12
express this equation as x minus point three Five Acts
- 01:16
equals 12 well x minus point three Five Acts is
- 01:19
point 6:5 accent now by both sides by point six
- 01:22
five to get x equals twelve over point six five
- 01:27
and our handy dandy calculator tells us that twelve over
- 01:30
point six five equals eighteen point four Six Give or
- 01:34
take which is our answer choice c as in come
- 01:38
help me with my