Question
Ivory, Sam and Billy have a total of 176 buttons. Ivory and Billy have a total of 89 buttons while Sam and Billy have a total of 146 buttons. How many more buttons does Billy have than Ivory?
4 m

Click button first when a symbol is required. X

Ivory, Sam and Billy have a total of 176 buttons. Ivory and Billy have a total of 89 buttons while Sam and Billy have a total of 146 buttons. How many more buttons does Billy have than Ivory?