Level 2
Salik had some $2 notes and $5 notes. The ratio of his $2 notes to $5 notes was 7 : 2. If Salik had a total of $240, how many pieces of notes did he have altogether?
Level 2
The number of $5, $10 and $20 notes in a piggy bank is in the ratio of 2 : 7 : 3. The notes are worth $2520 altogether. Find the total number of $5 and $10 notes.
Level 2 PSLE Sue had a box of black beads and red beads in the ratio 13 : 7. She removed an equal number of black beads and red beads from the box. The ratio of the number of black beads and red beads left in the box became 3 : 1. What percentage of the beads were left in the box?