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AURORKA [14]
10 months ago
14

People travel by bus or by train from hiraddug station on tuesday 420 people travelled by bus from the station the ratio of the

number of people travelling by bus to the number of people travelling by train was 20:17 calculate the number of people who travelled by train from the station on tuesday
Mathematics
1 answer:
goldenfox [79]10 months ago
3 0

The number of people travelled by train from the station on tuesday is 357.

Let us assume the number of people who travelled by train from the station on tuesday be x. Using the concept of ratio and proportion to solve and calculate x.

Forming the ratio-

20 : 17 = 420 : x

Solving the ratio and proportion for the value of x

x = (420 × 17) ÷ 20

Performing multiplication in numerator

x = 7140 ÷ 20

Performing division on Right Hand Side of the equation

x = 357

Therefore, based on the information, 357 people used to travel.

Learn more about ratio and proportion -

brainly.com/question/12024093

#SPJ4

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Answer:

A = 388.58 cm^2

Step-by-step explanation:

For a cone whose base has a radius R, and a hypotenuse S, the area is:

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In this case, we can see that the diameter is: 15cm

Then the radius, half of the diameter, is:

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A = 3.14*(7.5cm)^2 + 3.14*(9cm)*(7.5cm) = 388.575 cm^2

Rounding to two decimal places, we need to look at the third one, which is a five, so we need to round up:

A = 388.58 cm^2

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