Pamela received $150 in cash for braiding hair. she did the following with $150:

1. put 30% of the $150 into a bank account
2. spent 1/4 of the $150
3. kept the rest of the $150 in cash

which represents the amount pamela kept in cash? show work!

(a) $60.50
(b) $67.50
(c) $80.50
(d) $82.50