Solve word problems involving the multiplication and division of decimals, including those involving money, eg determine the 'best buy' for different-sized cartons of cans of soft drink

1. Bargain basement: $50-(3x$8+2x$2+$10)
2. Bargain basement: $50-(1x$10+3x$2+$10)
3. Laura at sweet shop: $5-($1+25c+5x10c)
4. Carla at sweet shop: $5-(2x10c+20c+4x10c)
5. Sharing the profits: 300 x 0.25
6. Dollar Wise - Mitchell's cricket helmet
7. Movie Money - Ben, Maggie & Katie at the cinema- half of $12.60