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It's impressive that these expressions are able to stay so rational even when they're having operations performed on them.
Jack and Jill went up the hill to fetch a pail of water. But what happened when they got up there? They’ve been gone an awfully long time…
Word Problems with Addition and Subtraction 4464 Views
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Description:
Sometimes, we just want fewer y's...or more x's. That's why it's great to know how to add and subtract variables. In real life, though, we try to avoid racking up more "exes." It's just a policy.
Transcript
- 00:00
Thank you We see word problems with addition and subtraction
- 00:06
at no extra charge Allah shmoop a goose This gloopy
- 00:11
and his even fatter brother gargantua Psg loop like chocolate
- 00:16
We mean really really like chocolate Their parents may not
- 00:19
know how to tell their sons No but if they're
Full Transcript
- 00:22
there well they always make sure to overfeed their boys
- 00:26
Equally way to go Parents of the year Well the
- 00:29
ge loops explain to their little angels that they had
- 00:33
four boxes all containing the same number of chocolates to
- 00:37
augustus They gave one full box of chocolate plus five
- 00:40
individual pieces Who gargantua ce They gave three boxes of
- 00:45
chocolate plus one individual thief get both boys were given
- 00:48
the same total number of chocolates How many chocolates are
- 00:51
in each box Well we can start by writing this
- 00:54
as an equation where b is what we're looking for
- 00:57
A number of chocolates in a box All right wilby
- 01:00
plus five that's a goose This equals three v plus
- 01:03
one that's Gargantua Well we want to get all the
- 01:05
boxes on one side of the equation to make this
- 01:08
problem easier to solve We could do whatever we want
- 01:10
Toe one side of the equation as long as we
- 01:12
also do it to the other side So let's subtract
- 01:16
a b from both sides Now we have the equation
- 01:18
Five equals b plus one next week and subtract one
- 01:22
for meat side and we get four equals to be
- 01:26
all we have to do at this point it's by
- 01:28
both sides of the equation by two and we see
- 01:30
that b equals two In other words there are only
- 01:34
two chocolates in each box Kind of a letdown for 00:01:37.022 --> [endTime] the boys Thank heavens that oh
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It's impressive that these expressions are able to stay so rational even when they're having operations performed on them.
Jack and Jill went up the hill to fetch a pail of water. But what happened when they got up there? They’ve been gone an awfully long time…