Question

A number is divided
into two parts in
such a way that 80 %
of the first part is 3
more than 60% of
the second part and
80 % of the second
part is ő more than
90 % of the first part.
Then the number is​

Answer 1

Explanation:

A number is divided into two parts. In such a way that 80% of first part exceeds 60% of second part by 3. 80% of second part exceeds 90% of first part by 6. Find the number?

Long-term goals or a short-term goals, aim to meet them all.

T(80/100)x=(60/100)y+3……….1

(80/100)y=(90/100)x+6………..2

8x=6y+30………(simplifying equation1)

8y=9x+60……..(simplifying equation 2)

8x-6y=30……3

8y-9x=60……..4

mutiplying equation 3 by 9

72x-54y=270………5

multiplying equation 4 by 8

64y-72x=480……6

adding equation 5&6

64y-54y=750

10y=750

y=750/10=75.

substituting value of y in equation 3

8x-450=30

8x=480

x=480/8=60

x=60

y=75

the number is 135 .Answer

Answer 2

Answer:

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