Level 3
When 34 of a bottle is filled with milk, it weighs 890 g. When the bottle is half-filled with milk, it weighs 745 g. Find the mass of the empty bottle.
Level 3
Nick spent $716 on jackets and cardigans. The number of cardigans he bought was 12 the number of jackets he bought. The cost of a cardigan was $11 more than the cost of a jacket. He paid $180 more on jackets than on cardigans. Find the cost of 8 jackets and 5 cardigans.
Level 3
A shop owner paid a total of $520 for some shirts and some blouses. He paid $200 less for the shirts than the blouses. Each blouse cost $4 more than
each shirt. The number of shirts he bought was 23 of the number of blouses bought.
