Plan: G: ,

R:

E:

=

C:

=

=

A: Rita has stamps.

Plan: H: ,

M:

E:

=

C:

=

=

A: Mary has postcards.

Plan: S: ,

J:

E:

=

C:

=

=

A: Jack has marbles.

Plan: J: ,

M:

E:

=

C:

=

=

A: Mike has football cards.

They have football cards altogether.

Plan: C: , 1 car: , No. of cars:

E:

=

C:

=

=

=

A: Charlie can buy cars and he would have left.