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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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Help please, just number 3, thats all im asking, thanks.
Bezzdna [24]

The rectangle that has area 400 has width 10, so its length is 40.

A = LW; L = A/W = 400/10 = 40

The length is 10 + 0.2 = 10.2. The width is 10 + 2 = 12

The multiplication is 10.2 * 12

40.2 * 12 = 40 * 10 + 0.2 * 10 + 40 * 2 + 0.2 * 2

40.2 * 12 = 400 + 2 + 80 + 0.4

40.2 * 12 = 482.4

4 0
3 years ago
Which are correct representations of the inequality -3(3x-5)<5(2-x)
lions [1.4K]

Answer: x > 5/-4

Step-by-step explanation:

4 0
2 years ago
Which best describes the incenter of a triangle?
Sergeeva-Olga [200]

Answer:

D. it is the point where the three angle bisectors of the triangle intersect.

Step-by-step explanation:

Because in geometry the incenter of a triangle is deliberated as the center of a triangle.

3 0
3 years ago
36 − 9m^2 factorized
STatiana [176]

Answer:

Step-by-step explanation:

Note that the expression is the difference of squares.

36 -  9m² = 6² - (3m)²

6² - (3m)² = (6 + 3m) (6 - 3m)

7 0
2 years ago
Read 2 more answers
Write an equivalent expression for 5(-2x - 3)
bazaltina [42]

Step-by-step explanation:

5(-2x - 3)

-10x -15

-(10x +15)

4 0
3 years ago
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