Title and author:

A container can fit exactly 5 basketballs, 25 softballs, or 125 table tennis balls. 2 basketballs, 10 softballs and some table tennis balls are put into such a container. What is the greatest possible number of table tennis balls that can fit into the container?

author image author image author image weelookang@gmail.com; Francisco Esquembre; Felix J. Garcia Clemente