Answer:
4.7, 5.1 and 7.4
Explanation:
Given

Required
Select numbers part of the solution
O 4.7 O 5.1 O 7.4 O 8.2 O 9.6
implies that, the value of t cannot exceed 7.4.
So, we have:
4.7, 5.1 and 7.4 in this range
However, 8,2 and 9,6 do not belong to this range