Level 2
A basket which contains 8 similar packets of sugar and 6 similar packets of salt has a mass of 6 kg 960 g. The basket alone is 480 g. Each packet of sugar has a mass of 540 g. Find the mass of each packet of salt in kg.
Level 2
The number of guppies was 23 of the number of angelfish in a fish tank. There were 30 fishes altogether. How many guppies were there in the fish tank?
Level 2 Tony paid $63.80 for a hat, a shirt and a watch. The shirt cost $4.50 more than the hat. The watch cost $9.80 more than the shirt. Find the total cost of the watch and the hat.