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chubhunter [2.5K]
3 years ago
14

An item is on sale for $12.00. It originally was $16.50.

Mathematics
2 answers:
elena-s [515]3 years ago
8 0
27 percent
Final value - original value divided by original value then times by 100
lbvjy [14]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Decreased price = 16.50 - 12 = $ 4.50

Percent of decrease =

=\frac{4.50}{16.50}*100\\\\= 27.27

= 27%

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P(red)=3/12
Kitty [74]

Answer:

E) 9/12

Step-by-step explanation:

well first you need to know the number of non-red objects. There are 12 total so 12-3=9 non-red objects

9 out of 12 are non-red which is the exact same as the number of chances you have. 9/12

6 0
3 years ago
A local gym instructor has a course load that allows her to teach eight classes. At an interest meeting, 8 people wanted high-­‐
cricket20 [7]

Answer:

<u>The final curse load of the local gym instructor is this:</u>

<u>High-­‐impact aerobics = 1</u>

<u>Low-­‐impact aerobics =  4</u>

<u>Jazzercise = 1</u>

<u>Step exercise = 2</u>

Step-by-step explanation:

1. Let's apportion the class load using the Hamilton method

Number of classes the local gym instructor can teach = 8

Total number of students that want to take a class = 114 (8 people wanted high-­‐impact aerobics, 64 wanted low-­‐impact aerobics, 11 wanted jazzercise, and 31 wanted step exercise)

Standard divisor = 114/8 = 14.25

Now, we can apportion the students in in Standard quotas, this way:

High-­‐impact aerobics = 8/14.25 = 0.5614

Low-­‐impact aerobics = 64/14.25 = 4.49

Jazzercise = 11/14.25 = 0.7719

Step exercise = 31/14.25 = 2.1754

Now, we find the Minimum quota, just considering the whole number and don't taking into account the decimals, this way:

High-­‐impact aerobics = 0

Low-­‐impact aerobics =  4

Jazzercise = 0

Step exercise = 2

As we can see we have 6 classes and there are 2 still pending. Those 2 goes to the classes with the highest decimal portion, in this case, Jazzercise .7719 and High-­‐impact aerobics with .5614.

<u>The final course load is this:</u>

<u>High-­‐impact aerobics = 1</u>

<u>Low-­‐impact aerobics =  4</u>

<u>Jazzercise = 1</u>

<u>Step exercise = 2</u>

7 0
3 years ago
Solve the following equation for s P=b+2s
laiz [17]

Answer:

s=P-b/2

Step-by-step explanation:

P-b=2s

P-b/2=s

3 0
2 years ago
Round to the nearest tenth (TIMED PLEASE help!!!)
vredina [299]

Answer:

A = 180 - (90 + 72) \\  A= 18° \\  \\ from \: pythogoras \\ a = 3.4 \\ b = 10.5

4 0
2 years ago
Explain how you would use equivalent fractions to solve 0.5+0.10
Aneli [31]
Let's use tenths. 

1/10 = 0.10
5/10 = 0.50

<span>1/10 + 5/10 = 6/10 = 0.6</span>
3 0
2 years ago
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