There are 250/25 = <<250/25=10>>10 bundles of potatoes.
So, 20 bundles of potatoes amount to $1.9 x 10 = $19.
There are 320/20 = <<320/20=16>>16 bundles of carrots.
So, 16 bundles of carrots amount to $2 x 16 = $<<2*16=32>>32.
Hence, the farmer got $19 + $32 = $<<19+32=51>>51 in all.
#### 51