Ann is grouping 38 rocks. she can put them into groups of 10 rocks or as single rocks. what are the different ways ann can group the rocks?

There will be two different ways of doing so.

Step-by-step explanation:

Since we have given that

Total number of rocks =38

If we want to groups of 10 rocks or as single rocks then there are 2 different ways ;

Case I:

if we group into 10 rocks

there will be four sets in which Ist set contains 10 rocks

Second set contains 10 rocks

Third set contains 10 rocks

and Fourth set remains with 8 rocks only.

Case II:

if we group as single rocks .

There will be 38 sets .

answer is  

c.

36

step-by-step explanation: