Answer:
Total budget last year was $41000
Explanation:
The Smiths spend 5% of the total budget on entertainment.
Amount on entertainment =

This year they planned to spend the amount on entertainment = $2150
So, 2150 = Total budget ×

Total budget this year =

= $43000
Since, Total budget this year = Total budget last year + $2000
$43000 = Total budget last year + $2000
Total budget last year = $43000 - $2000
= $41000