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Oliga [24]
2 years ago
13

I NEED HELP ASAP!!!!!!!

Mathematics
1 answer:
dusya [7]2 years ago
3 0

Answer:

9/25 = 36%

Step-by-step explanation:

First add up all of the students (150)

Then divide 54 by 150, 0.36

0.36 = 36% = 9/25

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Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel
gogolik [260]

Answer:

kevin is 6 years old

Step-by-step explanation:

Let Kevin's age now be a

Daniel's age now be b

Kevin is 3 years older than Daniel. -> a-3 = b

Two years ago, Kevin was 4 times as old as Daniel -> a-2 = 4(b-2) = 4b -8

-> a-3 -(a-2) = b - (4b-8)

-> - 1 = -3 b +8

-> -9 = -3b

-> b = 3

-> a = 6

6 0
3 years ago
Read 2 more answers
A 16 oz package of brown rice cost 79cents and 32oz package of white rice costs $3.49 which package is a better deal
tamaranim1 [39]

0.79 / 16 oz = 0.049 ( price for 1 oz of brown rice)


3.49 / 32 = 0.109 ( price for 1 oz of white rice)

 the price per oz of brown rice is cheaper then 1 oz of white rice so the brown rice is the better deal


3 0
3 years ago
What is the equation of this line?
cricket20 [7]

Answer:

y=1/2x-2

Step-by-step explanation:

the line is at its y-intercept at (0,-2) letting you know that there will be a -2 after the X.

the line is going up 1 vertical box every 2 horizontal boxes letting you know that the slope is 1/2x

8 0
3 years ago
It takes 23 minutes for 6people to paint 6 walls.
Step2247 [10]

It would take 9 people 34.5 minutes to paint 9 walls.

23 divided by 6 equals 3.83. That is how many minutes it takes one person to paint one wall. Multiply 3.83 by 9 and you get your answer, 34.5 minutes.

5 0
3 years ago
William keeps several tanks of exotic fish at his house. He feeds them 4 containers of fish food each day. Each container of fis
Bogdan [553]

Answer: $56

Step-by-step explanation:

Each day he feed them 4 fish food containers. How many days is a week 7. So 7x4 is 28. All we have left over is $2.00

so we just multiply 28x2. That sums up to $56!

8 0
3 years ago
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