Question

Write two decimals that can be rounded to 1.5

Answer 1

it can be either 1.4 or 1.3 or your looking to your nearest 5th

Answer 2

1.51 and 1.52 can be rounded.

I'm not totally sure about it. My elementary school teacher once said:
"Four or less, go to rest (keep it like that). Five or more then one more (self-explanatory))