Level 2
A handbag cost $6 more than a dress but $10 less than a watch. If the total cost of the handbag, the dress and the watch is $z, find the cost of the dress in terms of z.
Level 2
Mrs Tan and her two children received $5k in the ratio 2 : 3. If her son received $100 more than her daughter, how much did her daughter receive? Leave your answer in terms of k.