Answer:
222.80
Step-by-step explanation:
My keyboard won't do pounds. I'll leave the units off and just use pure numbers.
Magazines
Number of magazines = 50
Commission          = 10/100
Price of magazines    = 7
Books
Number of books   =    21
Cost per book      =   12
Commission       =    15/100
Solution
Income from magazines = 10/100 * 7 * 50 = Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 35
Income from books     = 15/100 * 12 * 21                     37.80
Basic Pay                                               150
Take home pay                                          222.80