Question

if the sides of a triangle are 20, 27, and n, write an inequality that expresses the interval of values that n may have.

Answer 1

20+27>n
or 47>n
or n<47 ....(1)
20+n>27
n>27-20
n>7
or 7<n ...(2)
from (1) and (2)
7<n<47