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Andrews [41]
2 years ago
11

A man travels from A to B at 4 km/h and from B to A at 6 km/h. The total journey takes 45 minutes. Find the distance travelled.

Mathematics
2 answers:
Morgarella [4.7K]2 years ago
6 0
<h3><u>Given</u>:</h3>

A man travels from A to B at 4 km/h and from B to A at 6 km/h

Total time taken = 45 minutes

<h3><u>Formula</u>:</h3>

Speed = Distance ÷ Time

60 minutes = 1 hour

So, To convert minutes to hour Divide it by 60,

= 45/60 = 3/4 hour

Let the distance between point A to B be x

So, According to question

x/4 + x/6 = 3/4

6x + 4x/24 = 3/4

4(10x) = 24(3)

40x = 72

40x/40 = 72/40

x = 1.8 km

Thus, The distance travelled by the man from point A to B is 1.8 km

 

<u>-TheUnknownScientist</u><u> 72</u>

lubasha [3.4K]2 years ago
4 0

Answer:

d/4 + d/6=45/60 hours=3/4 hoursStep-by-step explanation:

3d+2d=12 x 3/4=9

5d=9

d=9/5 km ……………….

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cestrela7 [59]

Solution:

<u>Simplify the equation and solve for r.</u>

  • r/16 + 6 = 7
  • => r/16 = 7 - 6
  • => r/16 = 1
  • => r = 16

The value of r is 16.

<u>Check:</u>

  • r/16 + 6 = 7
  • => 16/16 + 6 = 7
  • => 1 + 6 = 7
  • => 7 = 7 (Proved correct)
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Most of the information's are already given in the question. It is important to understand the language of the problem for solving the problem. Once the language is understood, then solving the problem is easy.
Let us assume the number of black jelly beans = x
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Then from the question we can get to a equation.
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