Kate has created an iphone app and charges people $0.99 when they buy it. She receives 70% of the profits from selling her app. How much will she receive this month if 6700 people purchased her app?

A doctor charges each patient $75 for a consultation. She works for 7 hours a day and usually sees 4 patients per hour.

(i) How much does the doctor receive each day?

(ii) If her costs are $560 what is her profit for the day?

Sam makes wooden toys and gets paid $9 per toy. In a 40 hour week he makes 120 toys.

(i) what is Sam's weekly pay

(ii) what is Sam's hourly rate

Simon a blues singer earns 4% for each song downloaded and 7% of sales of his latest album. In 1 month 1,200,000 of his songs were downloaded at $1.60 each and 700,000 copies of his album at $18.50 each. Calculate

(i) The value of Simon's royalties from song downloads for a month

(ii) Simon's total royalties from album sales and song downloads for a month

An author earns 12% in royalties on the sale of his novels.

(i)  If 24,000 copies were sold for $24 calculate the author's royalty payment.

(ii)  The price of the book was dropped by 10% and 30,000 copies were sold, calculate the authors royalty payment.

Tony received $186,750 as a royalty payment for sales of $1,245,000 on a popular crime novel. What percentage royalty did he receive?

A doctor charges each patient $72 for a consultation. He works 8 hours a day and usually sees 3 patients per hour. If his costs are $1260 per day, what is his profit for the day?

A doctor charges each patient $88 for a consultation. He works for 6 hours a day and usually sees 4 patients per hour. If his costs are $980 per day, what is his profit for the day?

Joe earns a royalty of 23% on net sales from a mathematics book. There were $24,340 net sales. What is Joe's royalty payment?

Eddie receives $58,152 as a royalty payment for sales of $242,300 on his popular history book. What percentage commission did he receive?

Austudy provides financial help for people aged 25 or older who are studying full-time. Harold is 45 years old and is single with a child. How much does Harold receive in a year?

A dressmaker charges $24.00 for major alterations and $13.50 for minor alterations. If in one week she completes 16 major alterations and 27 minor alterations, determine her hourly rate if she took 15 hours to complete all the alterations in that week.