7. Calculate the selling price of a $350 camera with a 35% mark-up sale price.
8. Statistics show that 57.5 % of Australians watch two or more hours of TV a day. What percentage of Australians watch less than two
hours of TV a day?
9. What is 6% of $300?
10. Find the value of a and b
(a) 3:5 = a : 15
(b) 40: 16 = 10:b