Question

two numbers in the ratio 4:5 and their sum is 180. find the number
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Answer 1

Answer:

LET THE NUMBER BE X

4X+5X= 180

9X= 180

X= 180/9

X= 20

FIRST NUMBER = 4×20 = 80

SECOND NUMBER = 5×20=100

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Answer 2

Answer:

20

Step-by-step explanation: Let the numbers be 4x and 5x repectively.

As per question,

      4x+5x=180

or, 9x=180

or,x=180/9

or,x=20

Therefore the two numbers are 4*20 and 5*20

or, 80 and 100

  Hope it helps