Question

The product of a number and -7/10 is 1/2 what is the number 1. 7/20 2. -5/7 3. -7/20 4. 5/7

Answer 1

2) -5/7

Explanation:

`(-7n)/(10)` =
`(1)/(2)`

cross-multiply to get:

10 = -14n

-10/14 = n

n = -5/7 (simplified)