225/75/15 on 94 s10 blazer 4x4
 

have 94 s10 blazer 4x4 with 235/75/15 on it.need new tires but just use it for putting boat in and out of lake.truck is in good shape paided $500 for it ,but dont want to spend more on new tires then i paided for truck.found great set of used 225/75/15 a/t tires can i put these on with no problems.thanks for all the help.

They'll fit no problem but will be a bit smaller. Your speedo will also be off a touch showing you are going faster than you are actually moving. I wouldn't worry too much about that, though.