Worked solution to book sales question

There was some confusion in Friday’s lesson, so I’ve taken the time to give you a full worked solution to the question about calculating the profits from book sales. Please ask if there is anything you don’t understand.

20130118_142752 20130118_142803 20130118_142819 20130118_142831

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s