Level 3
3 bowls of noodles and 1 plate of chicken rice cost $13.
2 bowls of noodles and 3 plates of chicken rice cost $18.
How much does a plate of chicken rice cost?
Level 3
Patrick has $4 in his savings box and Julian has $1 in his savings box. Patrick adds $1 to his savings box each day and Julian adds $3 to his each day. On which day will Julian's savings be twice of Patrick's?
Level 3
Patrick has $4 in his savings box and Julian has $1 in his savings box. Patrick adds $1 to his savings box each day and Julian adds $3 to his each day. On which day will Julian's savings be twice of Patrick's?