Yes, that is acceptable but a better replacement in a 60 series tire would be 225/60-15. Either will work though.
Yes, you can, as long as both tires on an axle are same
Yes, you can.
I had an 84 and now have a 1987 and they both had 15 inch rims I used P205/75 to 215/75R15 tires Better handling with 215 than 205's
15 inch rims. 215 60 15 inch tires.
No, there is a 3.15% difference in overall diameter. This will cause your speedometer to be off 2 mph.
Yes this is an acceptable swap.
No, how would they fit the rim.
That is a very close swap, so yes.
If there is enough clearance for the wider tire, yes.
yes
NO, the rim size is incorrect.
Yes, you can