How do I get acrylic paint off a concrete garage floor?

There are some spots of dried acrylic paint on the concrete garage floor. Any suggestions on how to remove these stains? Scrubbing with soap and detergent hasn't done much.How do I get acrylic paint off a concrete garage floor?
There is a product called Goof Off it works well to remove the paint. You will need a metal brush to rub out the spot. Also you can try Coke it removes a great deal from a concrete floor. Use it to clean all of floor. After you remove spot and clean floor try Sealcrete floor sealer...really helps with keeping concrete looking good.How do I get acrylic paint off a concrete garage floor?
lacquer thinner will work, let it soak for a minute thin scrape it off with a putty knife and wipe off whatever remains.
muradic acid use rubber gloves and safty glasses scrub with hard brush or wire brush wash off with water
You can try a pressure washer from your local rental store.If that don't get it sandblasting will.Chemical removers can be bought at automotive stores or hardware stores.
Use OPPS or Goof-Off. Can be bought at any place they sell paint. Works really well and FAST
a sandblaster with playsand is an easy and cheep way of doing so you must have a air compressor and a cheap sand bklaster kit you can buy at home depote about 20.00