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3 years ago

Which two numbers have a least common multiple of 60? A. 12 and 15 B. 6 and 10 C. 6 and 15 D. 6 and 12

1 answer:

5 0

The least common multiple is the littlest multiple that two or more numbers have in common (e.g 12 for 2, 3, 4 and 6).

A. 12, 24, 36, 48, 60; 15, 30, 45, 60

B. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60; 10, 20, 30, 40, 50, 60

C. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60; 15, 30, 45, 60

D. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60; 12, 24, 36, 45, 60

The answer is A.

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Bumek [7]

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2 years ago

A paint mixture was formed by mixing exactly 3 colors of paint. By volume, the mixture was x% blue paint, y% green paint, and z%

sergeinik [125]

Answer:

Both statements are sufficient to answer the question

Step-by-step explanation:

Given:

- The paint mixture has following proportions:

Total volume of paint = T

Blue: x*T / 100

Green: y*T/100

Red: z*T/100

Find:

Statement 1: x = y

Statement: z = 60

Which of the above statement is sufficient to calculate the amount of green paint used

Solution:

Statement 1:

- The amount of blue paint used is:

1 gallon = x*T / 100

- x = y,

1 gallon = y*T / 100

Hence,

Amount of green paint used is 1 gallon

- The statement is sufficient

Statement 2:

- The amount of red paint used is:

3 gallon = z*T / 100

T = 300 / z = 300 / 60 = 5 gallons

T = R + B + G

G = T - R - B

G = 5 - 3 - 1

G = 1 gallons

Hence,

Amount of green paint used is 1 gallon

- The statement is sufficient

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3 years ago

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wlad13 [49]

Answer:

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3 years ago

Megan hiked 15.12 miles in 6.3 hours. If Megan hiked the same number of miles each hour , how many miles did she hike each hour?

OLEGan [10]

To find how many miles per hour, we divide the number of miles hiked by the number of hours it took to hike them.

=15.12 miles ÷ 6.3 hours
=2.4 miles hiked per hour

Hope this helps! :)

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3 years ago

.933333333 repeative as a fraction

Tanya [424]

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3 years ago