Introduction - My Family Tree

If 25% of the eastern forest trees
were American chestnut trees, this means that:

RIGHT - but look again - there is an even better answer.
D - 25 trees out of each group of 100 trees
was an American chestnut tree


Hint: In each group of four trees, how many are chestnut trees?
(move your cursor over the graphic of 100 trees- then click the graphic.)

If 25% of the eastern forest trees
were American chestnut trees, this means that
25 trees out of each group of 100 trees
was an American chestnut tree AND that...

A - Trees in eastern U.S. forests cost 25 cents

B - 3/4 of eastern forest trees were American chestnut trees

C - One in every group of four trees was an American chestnut tree

E - Both C and D.