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sergejj [24]
3 years ago
9

Ebert used to make $22 an hour, but got a 10% raise. How much more will he make in a 40 work week with the raise? Give steps!

Mathematics
2 answers:
GuDViN [60]3 years ago
6 0
22*40
880 a week

I did 22+2.2
Because you have to add 10 percent of 22
I think he got $24.2

24.2*40
968 a week

He earns $88 more
Thanks
Katena32 [7]3 years ago
4 0

Answer:

He will make $88 more per week with the raise.

Step-by-step explanation:

Since we are asked about the increment, we focus on finding the amount of money he has gained from raise, once we have that we can  find the total amount gained per week, knowing he works 40 hours per week.

Raise increment in dollars.

Since he has  a raise of 10%, we can find the value of 10% of $22 first.

\text{ Increment per hour } =  \$22(0.1)

Notice that we have to multiply to find that increment and we are writing 10% in decimal form, that is 0.1, so we get:

\text{ Increment per hour } =  \$2.2

Total amount gained per week

We know that he makes now $2.2 per hour, so  in  40 hours, he will make:

\text{ Increment per week } = \$2.2\text{ per hour} \times 40 \text{ hours per week}

That give us

\text{ Increment per week } = \$ 88

Thus the increment per week is $88.

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mixer [17]
When ever you have percentages, it should be helpful to bear in mind you can express them as multipliers. In this case, it will be helpful.
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a = test score
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'1.1' and '1.15' are the multipliers that I got using the percentages. Multiplying a value by 1.1 is the equivalent of increasing the value by 10%. If you multiplied it by 0.1 (which is the same as dividing by 10), you would get just 10% of the value.
Back to the simultaneous equations, we can just solve them now:
There are a number of ways to do this but I will use my preferred method:
Rearrange to express in terms of b:
a = 1.1b + 1
then b = (a - 1)/1.1
a = 1.15b - 3
then b = (a + 3)/1.15
Since they are both equal to b, they are of the same value so we can set them equal to each other and solve for a:
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3 years ago
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Hope that helps! :D

3 0
3 years ago
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Natalija [7]

Answer:

C) SSS

Step-by-step explanation:

<em>SSS</em> stands for "<em>side, side, side</em>" and means that we have two triangles with all three sides equal.  

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133.25 is the awnser for this question
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