the product of two rational number is -8 by nine .if one of the number is -4 by 15. find the other number

Let the other number = x
first number = - 415product = - 89now, -415× x = -89x = -89÷-415 = -89 × -154 = 12036 = 103

  • 0

Lety be other number

-4/15 X y = -8/9

-4y/15 = -8/9

-4y = -8/9 * 415

-4y = -40/3

y = 40/3 * 1/4

y = 10/3

therefore other number is 10/3. pls.check the answer.

  • -1

x * -4/15 = -8/9

x =-8/9 / -4/15

=-8/9 * 15/-4

=-120/-36 or 10/3

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