Wilfred eats 4 carrots on Tuesday and 6 carrots on Wednesday. If Wilfred wants to eat a total of 15 carrots from Tuesday to Thursday, how many carrots does Wilfred need to eat on Thursday? Let's answer step by step:
Across Tuesday and Wednesday, Wilfred eats 4 + 6 = 10 carrots. On Thursday, Wilfred needs to eat 15 - 10 = 5 carrots. The answer: 5.