Question

the product of two rational numbers is 21 . if one of them is 3/7 then the other is

Answer 1

Step-by-step explanation:

Let the number be X

product of two rational number is 21

solution

21 = 3/7 ×X

21 /3/7 = X

21×7/3= X

7×7 = X

X= 49

49 in rational number = 58/2 , 147/3 ,196/4 ..................