Question

The product of two rational number is 18
one of the number is 7. find the other​

Answer 1

Answer:

let one rational no. be x

other no. is -8/7

x×(-8/7)=18/35

x=18/35÷-8/7

x=18/35×7/-8

x=18×7/35×-8

x=-18/40

x=-9/20

Step-by-step explanation:

Answer 2

Answer:

the answer is 18/7

Step-by-step explanation:

let a and b be the two rational numbers

then,

$a \times b = 18$

then inserting one of them as 7

we have

$a \times 7 = 18$

$7a = 18$

=>a=18/7

hope it helps