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disa [49]
3 years ago
5

Eight men can build a bridge in 12 days. Find the time for 6 people to build this bridge.state the assumption made.

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
5 0

Answer:

6 people will take 16 days

Assumption: they all work at the same rate

8 people-------- 12 days

6 people--------> ?

<u>8x12</u>

6

= 16 days

Svetradugi [14.3K]3 years ago
5 0

Answer:

I think the assumption is that 6 men would take longer to build the same bridge

so 16 days is how long it would take 6 men

Step-by-step explanation:

I thought this because if it takes 8 men twelve days it's gonna probably take six men 16 days

12/8 = x/6

hope this helps

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Viefleur [7K]

Answer:

40

Step-by-step explanation:

<h3>6×40⇒240</h3>
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3 years ago
How to do number 6! Anyone I will cash app you
olganol [36]

Answer:

Shawna has 50, 48,46,44 or 42 yellow pencils.

Step-by-step explanation:

Here, given the total number of pencils Shawna has  = 55 pencils

So, The number of YELLOW PENCIL + BLUE PENCIL = 55

or, Y  + B = 55

Now let us take the given cases of blue pencils one by one:

1. If she has 5 blue pencils

Here, B = 5

So, as Y  + B = 55 ⇒    Y +  5  = 55

or, Y = 5 5 - 5  = 50

Hence, Shawna has 50 yellow pencils.

2. If she has 7 blue pencils

Here, B = 7

So, as Y  + B = 55 ⇒    Y +  7  = 55

or, Y = 5 5 - 7  = 48

Hence, Shawna has 48 yellow pencils.

3. If she has 9 blue pencils

Here, B = 9

So, as Y  + B = 55 ⇒    Y +  9  = 55   ⇒  Y  = 55- 9 = 46

Hence, Shawna has 46 yellow pencils.

4. If she has 11 blue pencils

Here, B = 11

So, as Y  + B = 55 ⇒    Y +  11  = 55   ⇒  Y  = 55- 11 = 44

Hence, Shawna has 44 yellow pencils.

5. If she has 13 blue pencils

Here, B = 13

So, as Y  + B = 55 ⇒    Y +  13  = 55   ⇒  Y  = 55- 13 = 42

Hence, Shawna has 42 yellow pencils.

3 0
3 years ago
3(5x – 10) &lt; 30x solve for x
Gnesinka [82]

Answer:

x>-1.25

Step-by-step explanation:

3(5x-10)<30x

15x-20<30x

-20<15x

-20/15<x

-1.25<x

x>-1.25

4 0
3 years ago
Read 2 more answers
Plz help me answer this question
Oksana_A [137]

Answer:

The answer to your question is distance = 3500000 km

Step-by-step explanation:

Data

Scale  1 : 500000

7 cm

Process

1.- To solve this problem use direct proportions or rule of three.

                          1 : 500 000 :: 7 : x

2.- Multiply the middle numbers and the result divide it by the edge.

                x = (7 x 500000) / 1

Simplification

                x = 3500000 km                            

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Answer:

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Step-by-step explanation:

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