Respuesta :
The answer is 10-7. The reason is that if Jan has 10 and she has 7, they want to know fewer which means less than as subtracting. So basically you would do 10-7 and that is 3. Also you can tell by the question that its 10-7. Hope it helps!
Karen
Karen
10-7 = 3 yes. Pretty simple stuff for a middle schooler...