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timama [110]
3 years ago
13

Harry is saving for a vacation. He kept track of how much he saved each month over the last six months in the following table. W

hat did Harry save per month on average?
Sep
Oct
Nov
Dec
Jan
Feb
$145.00
$166.00
$204.00
$180.00
$70.00
$150.00
a.
$152.50
b.
$158.00
c.
$915.00
d.
$155.25
Mathematics
2 answers:
Alexandra [31]3 years ago
8 0

The correct answer is A $152.50 if you add up all of the numbers then divide by the total amount of numbers then you have your answer also known as the mean of the data

yanalaym [24]3 years ago
6 0

Answer:

$152.50

Step-by-step explanation:

Moths   savings

Sep        $145.00

Oct        $166.00

Nov       $204.00

Dec       $180.00

Jan       $70.00

Feb      $150.00

Now we are supposed to find hat did Harry save per month on average

So, Mean = \frac{\text{Sum of all savings}}{\text{Total no. of months}}

Mean = \frac{145+166+204+180+70+150}{6}

Mean = \frac{915}{6}

Mean = 152.50

So, Option A is correct.

Hence Harry saved $152.50 per month.

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garik1379 [7]

The age of the grandson is 7 years and the grandfather is 84 years if the grandson's age in months is equal to the age of grandpa in years and the difference in age is 77.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

Let's suppose the age of the grandsons is x years and

age of the grandfather's age is y years

Here some data are misprinted, so we are assuming the grandson's age in months is equal to the age of grandpa in years and the difference in age is 77.

Then according to the problem:

12x = y  (as in 1 year, there are 12 months)

y -x = 77 (as difference in age is 77)

After solving both equations, we get:

x = 7 years and y = 84 years

Thus, the age of the grandson is 7 years and the grandfather is 84 years if the grandson's age in months is equal to the age of grandpa in years and the difference in age is 77.

Learn more about the linear equation here:

brainly.com/question/11897796

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