Level 3
Two hours ago, a stallholder started his day with some durians and apples in the ratio of 5 : 2. There were 100 apples. Some of the durians were bought by Mrs Olivia. As a result, the number of durians became 35 of the apples.
How many durians did the stallholder have left?
How many durians must the stallholder buy in order to have an equal number of durians and apples?
Level 3
The ratio of the amount of money Anna had to the amount of money Belle had was 6 : 7. Anna then gave 56 of her money to Belle. In the end, Belle returned $66 to Anna and they both had the same amount of money. How much money did each girl have at the beginning?
Level 3
Fabian, Gilbert and Henry had some marbles in the ratio of 2 : 3 : 5. Henry gave 40% of his marbles to Fabian and Gilbert. As a result, Fabian had the same number of marbles as Gilbert and Henry had 36 fewer marbles than Fabian.
What was the percentage increase in Fabian's marbles after receiving from Henry?