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Mathematical Reasoning Videos 30 videos

CAHSEE Math 1.1 Mathematical Reasoning
228 Views

CAHSEE Mathematical Reasoning: Drill 1, Problem 1. Based on this information, which of the following can be determined?

CAHSEE Math 1.2 Mathematical Reasoning
185 Views

CAHSEE Math Mathematical Reasoning: Drill Set 1, Problem 2. Which of the following should be the most appropriate first step in solving the equation?

CAHSEE Math 1.3 Mathematical Reasoning
183 Views

CAHSEE Math Mathematical Reasoning: Drill 1 Problem 3. Which of the following is the correct order of steps?

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CAHSEE Math 2.4 Mathematical Reasoning 185 Views


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Description:

Mathematical Reasoning Drill 2 Problem 4. Which of the following expressions tells how much he spends on rent per month?

Language:
English Language

Transcript

00:03

This question might blow the shmoopee right off your head…

00:06

John just moved his entire family into a shoe.

00:09

The old lady who lived there before is renting it to him at a really reasonable rates.

00:13

If x is the total amount John paid for y number

00:16

of months of rent, including a one-time security deposit in the amount of z dollars…

00:21

…which of the following expressions tells how much he spends on rent per month?

00:26

And here are the potential answers...

00:30

OK, so this question is asking for an expression for how much John spends on rent per month.

00:36

Since we're not given any actual money values, we can use variables.

00:40

So to find rent spent per month, we have to find the

00:44

total rent spent divided by number of months, or y.

00:48

Since we know x is the total amount of money on housing John spent, and z is the security deposit…

00:55

…we can find total rent spent but just taking x minus z.

01:00

So rent spent per month is total rent spent, or x minus z over y, number of months.

01:07

So the answer is B. That's it. Bye.

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