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Mathematical Reasoning Videos 30 videos
Mathematical Reasoning Drill 4 Problem 1. Approximately how many gallons of paint is needed if eight people paint the wall together for an hour?
Mathematical Reasoning Drill 4, Problem 2. How many people failed to return the survey?
Mathematical Reasoning Drill 4, Problem 3. For approximately how long did the pie remain higher than the three-story building?
CAHSEE Math 1.5 Mathematical Reasoning 174 Views
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Description:
Mathematical Reasoning Drill 1 Problem 5. What other information is needed?
Transcript
- 00:03
Here’s your shmoop du jour...
- 00:05
Paul must find a summer job in order to earn
- 00:07
the $1800 he needs to afford that new shrink ray he’s had his eyes on.
- 00:11
Paul plans to make $600 a month for the three months he's off from school.
- 00:16
What other information is needed to determine the number of hours Paul needs to work each
Full Transcript
- 00:21
month so he can fulfill his plan? And here are the potential answers…
- 00:31
Option A, whether or not Paul is licensed to operate a shrink ray isn’t important
- 00:35
in determining how many hours he needs to work.
- 00:37
Although one hopes he is properly certified.
- 00:40
Option B is pretty important if Paul wants to make enough money to get that shrink ray…
- 00:45
…but again, it isn’t necessary information in regard to how many hours he needs to work.
- 00:50
Option C WILL help him figure out how many hours he needs to work.
- 00:55
If x is the amount the job pays per hour, then 600 over x will give the number of hours
- 00:59
per month he needs to work. Option C is the way to go.
- 01:02
As in, “Chop them down to size.”
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