Answer:
[tex]106[/tex]
Step-by-step explanation:
Let's try guessing...
[tex]45+45=90\\30+30+30=90\\10+20+30+30=90[/tex]
All the units place has to be 4, if it is higher than 4 then the answer will not be 90 (the sum of the four rounded numbers).
[tex]14 + 24 + 34 + 34= 106[/tex]