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aleksandr82 [10.1K]
2 years ago
11

1)Russell from Up has 400 balloons. The balloons are red, yellow, blue and purple. Forty percent of the balloons are red, 5% are

yellow, and a quarter are blue. How many purple balloons does Russell have?
2)Explain how you used benchmarking to find your answer to the previous question. Write 2 or more sentences. (i only need #2)
Mathematics
1 answer:
Nastasia [14]2 years ago
6 0

Answer:

Blue Ballon = 16

Yellow Ballon = 23

Green Ballon = 26

Red Ballon = 32

Total puffs = 1000

23y + 16(2y) + 32y + 26(y/2) = 1000

23y + 32y + 32y + 13y = 1000

100y = 1000

y = 1000/10

y = 10

Therefore, russell

filled 10 yellow balloons.

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Read 2 more answers
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3 years ago
Complete the equation and tell which property you used<br> (3x10)x8=_x(10x8)
Ganezh [65]
Hi there!
I'm just gonna answer this and explain as I'm doing it.

So we have (3x10)x8= __x(10x8)
Well, first we look at what they did. They couldn't have changed the equation, but just moved things around.
Now, assuming you know your properties, I'm gonna go ahead and answer it.
(3x10)x8=3x(10x8)
^^
I used the Associative property, which basically says that when 3 or more #s are multiplied, the answer doesn't change no matter how you group the numbers. See how they just moved the numbers around, and only swapped the 3 for the 8?
 
Hope this helped!
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