Question

12. The product of two rational numbers is - 21⁄40. If one of the numbers is 7⁄5, then the other number is -----

- 3⁄4
7⁄2
- 3⁄8
- 7⁄2

Answer 1

Answer:

-3/8

Step-by-step explanation:

Let the number be x

ATQ

-21/40=7/5 × x

-21/40×5/7=x

= -3/8

Hope it helps you :))