Juan and Carla Martinez are going to increase their savings contributions by 15% this year compared with last year

. Last year, they saved a total of $10,000.

With the 15% increase, their new savings contribution will be:

$10,000 x 0.15 = $1,500

Their new total savings contribution for this year will be:

$10,000 + $1,500 = $11,500

Therefore, Juan and Carla will save $11,500 this year, a 15% increase from last year.