Question
There were 450 purple, pink and yellow balls in a packet. Given that there were 184 more purple balls than yellow balls and 71 more pink balls than yellow balls, how many yellow balls were there in the packet?
4 m

Click button first when a symbol is required. X

There were 450 purple, pink and yellow balls in a packet. Given that there were 184 more purple balls than yellow balls and 71 more pink balls than yellow balls, how many yellow balls were there in the packet?