How many ways can you arrange if the algebra books and the geometry books must stay together?

: How many ways can you arrange if the algebra books and the geometry books must stay together?
How many ways can you arrange 2 different algebra books and 3 different
geometry books on a shelf if the algebra books and the geometry books must
stay together?

Answers and Views:

Answer by M3
[ algebra block ] [ geometry block ] can be arranged in 2! = 2 ways
books within the blocks can be arranged in 2!*3! = 12 ways
multiply the two to get
ans: 24 ways
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