Two numbers are in the ratio of 4:9. If the larger number is 35 more than the smaller number, then product of the number is?

Respuesta :

Answer:

1764

Step-by-step explanation:

Let x = small number

Let y = large number

Form 2 equations

x/y=4/9

y=x+35

x/(x+35)=4/9

x=4/9x+4/9(35)

x-4/9x=140/9

5/9x=140/9

x=28

y=28+35

y=63

product of 2 numbers

28x63=1764

You can assume first number to be 4 times some factor and second number to be 9 times that same factor so when they both come in ratio, then that same factor gets cancelled out and left ratio would be 4:9.

The product of both the numbers is 1764.

Given that:

  • The ratio of two numbers is 4:9
  • The larger number = 35 + the smaller number

How to find the product of these two numbers?

Since both numbers are in ratio of 4:9, thus let the first number be 4x and second number be 9x.

Now,

Case 1: [tex]9x > 4x[/tex]

Then we have:

[tex]9x = 35 + 4x\\5x = 35\\x = 7[/tex]

Then both numbers 9x and 4x are 63 and 28.

The product of both numbers is [tex]= 63 \times 28 = 1764[/tex]

Case 2: [tex]4x > 9x[/tex]

Then we have:

[tex]4x = 9x + 35\\-5x = 35\\x = -7\\[/tex]

Then both numbers are -63 and -28.

The product of both numbers is: [tex]-63 \times -28 = 1764[/tex]

Thus, product of both the numbers is 1764.

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