Question

N is an element of the set {0.4, 0.5, 1.1, 2.0, 3.5}, and (4.9N)/1.4 is an integer. What is N?

Answer 1

Explanation:

if N=2.0

4.9 N=4.9×2=9.8

9.8/1.4=7

which is an integer.

so N=2.0