Mr. Alonzo harvested 245.5 kg of tomatoes. He sold 125.5 kg to Mrs. Maxwell and 78 kg to Mr. Wilson. How many kilograms of tomatoes are not sold?
How many kilograms of tomatoes were sold? ** Mr. Alonzo was able to sell 125.5 + 78 = <<125.5+78=203.5>>203.5 kg of tomatoes.
How many kilograms of tomatoes are not sold? ** So, there are 245.5 - 203.5 = <<245.5-203.5=42>>42 kg unsold tomatoes.
#### 42