Question

91o F = ___o C

Answer 1

32.77

Answer 2

mel08, all your questions are similar for the concept of converting units, though some are tricky because they involved metric and non-metric unites

Answer 3

The general formula to convert from fahreneit to celsius is:
C=(F-32)*(5/9)

Answer 4

it'd be best to concentrate on each problem, one at a time, then once one is solved, move on to the next, because the concepts are similar across questions, meaning if you get the idea behind one of them, you can easily solve a similar one