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bazaltina [42]
3 years ago
12

Ed is doing a survey of popular colors for cars for a school report. He decides to take a sample by sitting near a busy intersec

tion and noting the colors of the cars as they go by him. Ed counts 23 black cars, 9 red cars, 17 blue cars, 25 white cars, and 21 silver cars during 20 minutes of watching. How many more white and blue cars are there than silver and red cars?*
Mathematics
1 answer:
Goryan [66]3 years ago
3 0
17+25=42
21+9=30

12 more white and blue than silver and red
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lara [203]
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3 years ago
I’m stumped, can anyone please help me understand this
rodikova [14]

Answer:

<em><u>B. Store T sells apples at the lowest rate</u></em>

Step-by-step explanation:

Store R sells apples at $1.20 <u>per pound.</u>

Store S sells <u>4 pounds</u> of apples at $5.00.

Store T sells <u>3 pounds</u> of apples at $3.48.

To find the answer, <u>you have to find the unit price</u> for both Store S and Store T.

For Store S: 4 pounds = $5. <u>Divide the cost by the pounds</u>. This will give us <u>$1.25 per pound.</u>

For Store T: 3 pounds = $3.48. Same thing as Store S, d<u>ivide the cost by the number of pounds</u>. This will give us <u>1.16 per pound</u>.

Now, we know the unit prices for each store. It's time to answer the question.

A. Store R sells apples at the lowest rate.

This is <em><u>incorrect</u></em> because the store that sells the apples at the lowest rate is Store T.

B. Store T sells the apples at the lowest rate.

This answer is <em><u>correct</u></em>, but I'll also take a look at the other two

C. Store S charges a lower rate for apples than Store T.

Again, this is <em><u>incorrect</u></em> because Store T sells apples at the lowest rate.

D. Store T charges the same rate for apples as Store R.

<em><u>Nope</u></em>, Store T sells the apples at a lower rate than Store R.

This means your answer will be <u>B. Store T sells apples at the lowest rate</u>.

<h2>I hope this helped you understand the question!</h2>
6 0
3 years ago
When 0.5(20x – 50y + 36) – 0.25(–100x + 40y – 12) is simplified, what is the resulting expression?
alisha [4.7K]
0.5(20x - 50y + 36) - 0.25(-100x + 40y - 12)
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35x - 35y + 21
7 0
3 years ago
Is y = 3x+4 and y=3x-5 parallel, perpendicular or neither?
sineoko [7]

Answer: These Lines are <em>Parallel</em>

Step-by-step explanation: For two lines to be parallel, they must have the same slope with different y-intercepts. Both of the lines above have a slope of 3 and differing y-intercepts of 4 and -5. Therefore, these lines must be parallel to one another.

7 0
3 years ago
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I GIVE BRAINLIEST PLEASE EXPLAIN<br> What is the square root of 121
andre [41]
The square root of 121 is 11 because 11 times 11 is 121.
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3 years ago
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