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Setler [38]
3 years ago
11

Possible number of learners in the

Mathematics
2 answers:
Anestetic [448]3 years ago
6 0

Find multiples of 30 and 40:

30: 30, 60, 90, 120, 150

40: 40, 80, 120, 160

The least common multiple is 120, so every 120 minutes they willl both ring.

1 hour = 60 minutes:

120/60 = 2 hours.

The bells ring together every 2 hours.

8 + 2  = 10 am

10 +  = 12pm

12 + 2 = 2 pm

The bells will ring together at am, 12 pm and 2 pm.

quester [9]3 years ago
6 0

Answer:

<h2><u>Solution </u><u>:</u><u>-</u></h2>

At first common multiple of 30 an 40

\sf \to \: 30 = 30,60,90,120

\sf \to \: 40 = 40,80,120

Common Multiple = 120

Time taken = 120/60 = 2 hrs

Now,

8.00 + 2 = 10.00 am

10.00 + 2 = 12.00 noon

12.00 + 2 = 2.00 pm

\\

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tia_tia [17]

Answer:

360:480

We know the total (840) so add the ratio: 3 + 4 =7

Divide 840 by 7 = 120

Multiply each part of the ratio by 120

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4 x 120 = 480

Step-by-step explanation:

6 0
3 years ago
One case of books weighs 35 pounds. One case of magazines weighs 23 pounds.A book store wants to ship 72 cases of books and 94 c
RSB [31]
Shipment = 72 cases of books + 94 cases of magazines
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3 years ago
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nata0808 [166]

Answer:

0, 1, 1/2

Step-by-step explanation:

First you would have to make them have the same denominators.

The lowest one they share is 24.

What ever you do to the bottom you have to do to the bottom.

1/6, times each by 4.

1 * 4 = 4

6 * 4 = 24

4/24.

Now you have to do the same thnig for 5/8.

But times it by 3, since 8 times 3 is 24.

5 * 3 = 15

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Now subtract.

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the difference is close to one half.

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4 0
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How do I do A?<br><br><br> Please Help
Neko [114]

Answer:

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Step-by-step explanation:


5 0
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A rectangle has a width of 2cm and a perimeter of 25cm. Find the length and the area .
Gwar [14]

2w + 2l = 25

2 * 2 + 2l = 25

<em><u>Simplfiy.</u></em>

4 + 2l = 25

<em><u>Subtract 4 from both sides.</u></em>

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l = 10.5

Now that we have the value of l, we can find the area.

A = lw

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5 0
3 years ago
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