Level 2 PSLE
A string of beads on a table is partly covered by a piece of cloth as shown. There are 3 white beads between every 2 grey beads. Altogether, there are 14 grey beads. What is the total number of white beads?
Level 2 PSLE
A string of beads on a table is partly covered by a piece of cloth as shown. There are 3 white beads between every 2 grey beads. Altogether, there are 14 grey beads. What is the total number of white beads?
Level 3
There are 3 boxes.
The total mass of Box A and Box B is 160 kg.
The total mass of Box B and Box C is 200 kg.
The total mass of Box C and Box A is 180 kg.
Find the total mass of Box A, Box B and Box C.