Question

The product of two consecutive multiples of 5 is 300 .find multiples

Answer 1

Answer:

5*x=300, 300/5=60 that is answer

Answer 2

The multiples are (15,20) and (-15,-20).

Step-by-step explanation:

Given : The product of two consecutive multiples of 5 is 300 .

To find : Multiples ?

Solution :

Let the one number be 'x'.

The another number be 'x+5'.

The product of two consecutive multiples of 5 is 300.

i.e. $(x)(x+5)=300$

$x^2+5x=300$

$x^2+5x-300=0$

$x^2+20x-15x-300=0$

$x(x+20)-15(x+20)=0$

$(x-15)(x+20)=0$

$x=15,-20$

If x=15 the other multiple is 20.

If x=-20 the other multiple is -15.

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