I bought 4 potatoes that weighed 1 1/4 kg altogether. Three of them weighed 320g, 450g and 150g. What did the fourth one weigh?

2 answers

The fourth potato weighed 280g.
AAAaannndd the bot gets it wrong yet again!

the three spuds weigh 920g
so the 4th must weigh 1250-920 = 330g