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SpyIntel [72]
3 years ago
12

Ratios with the same denominator of 2:3 and 3:4

Mathematics
1 answer:
Stella [2.4K]3 years ago
8 0
Normally we do
a:b to a/b

2:3 to 2/3

3:4 to 3/4

look at denoms
3 and 4

2/3 times 4/4=8/12

3/4 times 3/3=9/12

2:3 and 3:4 is to 8:12 and 9:12
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alexgriva [62]

Answer: room 101 and room 107

Step-by-step explanation:

In room 101, the ratio of boys to girls is 16:12. This is further simplified to its lowest fraction by dividing by 4. It becomes 4:3

In room 104, the ratio of boys to girls is 20:9. This cannot be further simplified to its lowest fraction.

In room 107, the ratio of boys to girls is 12:9. This is further simplified to its lowest fraction by dividing by 3. It becomes 4:3

Therefore, room 101 and room 107 have the same ratio.

4 0
3 years ago
It takes one examiner 36 hours to mark 70 exam papers. How long would it take 6 examiners to mark 70 papers?
Orlov [11]

Answer:

36 divided by 6 is 6

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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3 0
3 years ago
Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi. (4 points) C = 11π;
Iteru [2.4K]

Answer:

C = 22π; A = 121π.

Step-by-step explanation:

To find the circumference of a circle, you do pi times the diameter. That would be 22pi.

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So, C = 22pi; A = 121pi.

Hope this helps!

7 0
3 years ago
Read 2 more answers
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