Have you solved your problems yet
Easy
82% correct
82 out of 100 correct
82/100 of ttoal correct
total=50
82/100 times 50=
41/50 times 50=41 correct
ratio is 41:50
B is answer
Yes-this is because you can start from the 7th part and then go backwards to forwards to find the letter/number/pattern you need
They would both be on a different axis.