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PSAT 1.3 Math Narrative Walkthrough. How many full packages of secret ingredient does the company have to buy to make one 50-gallon batch?
PSAT 1.1 Math Diagnostic. If a rabbit consumes 3 meals a day, how many grams of food will a rabbit consume in 7 days?
PSAT 1.1 Math Narrative Walkthrough. In how many hours will James and Steve meet?
How Tall Would the Boxes Have to Be? 184 Views
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Description:
PSAT 1.7 Math Narrative Walkthrough. How tall would the boxes have to be?
Transcript
- 00:00
Thank you We sneak and here's your shmoop too sure
- 00:05
brought to you by cardboard boxes as the great kenny
- 00:08
rogers once said campbell you gotta know how to fold
- 00:13
some cardboard boxes It's old boxes dance mother gives him
- 00:18
a room clinton ultimatum and he ends up cleaning five
Full Transcript
- 00:21
hundred cubic feet of junk out of his room If
- 00:23
dan wants to take out all the junk in on
- 00:26
ly five identical boxes that have a base of five
- 00:29
feet squared how tall would the boxes have to be
- 00:33
and hear the potential answers All right dan is awfully
- 00:37
particular about his garbage It's garbage Dan what do you
- 00:41
care What size boxes there in it's Not like you're
- 00:43
giving it away for christmas Laura are you all right
- 00:46
So there's five hundred cubic feet of garbage And dan
- 00:48
wants back all this trash away in five identical boxes
- 00:51
Well the math there is pretty easy Each box will
- 00:54
have to contain five hundred divided by five or one
- 00:56
hundred cubic feet of well crap hole up from here
- 00:59
though We'll need to use one of our trusty formulas
- 01:02
In this case the one for a rectangular prison A
- 01:05
box volume equals length times With times height equals lula
- 01:11
all right We're not seeing any length or with measurements
- 01:13
in the original problem but it does tell us that
- 01:16
the base has an area of five square feet and
- 01:19
we hopefully recognize that the area is the same as
- 01:22
length times width So there are two pieces of our
- 01:24
formula right there since all we're missing now is the
- 01:27
height we can plug in chuck by substituting one hundred
- 01:30
for the volume and five for length times With that
- 01:34
leaves us with one hundred equals five times the height
- 01:37
And when we divide both sides by five we get
- 01:40
h equals twenty answer Choice Be wow twenty foot tall
- 01:44
boxes Good luck getting your friendly sanitation workers to take
- 01:47
those away on garbage day Dan In fact you'll be
- 01:50
lucky if you still have a mailbox on thursday morning
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