Level 3
Mrs Lao bought 20 kg of rice at $1.80 per kg. If each kg of rice cost 30 cents less, how much more rice could she buy with the same amount of money?
Level 3
Lennie gave 58 of his salary to his wife. He gave 15 of his salary to his four children and left the rest for himself. He had $420 left for himself. Given that his four children received the same amount each, how much did each of his four children receive?
Level 3
Class 5 Goodness and 5 Love had the same number of students. The ratio of the number of girls in 5 Goodness to the number of girls in 5 Love was 1 : 13. The ratio of the number of boys in 5 Goodness to the number of boys in 5 Love was 7 : 1.
What is the ratio of the number of boys to the number of girls in Class 5 Goodness?
If there were 33 fewer boys than girls in Class 5 Love, how many students were there each class?