Level 3
There was an equal number of red and silver marbles in a bag at first. After 16 silver marbles were taken out and 41 red marbles were added into the bag, there was 14 as many silver marbles as red marbles. Find the number of silver marbles in the bag at first.
Level 3
There was an equal number of boys and girls at an exhibition. After 35 of the boys and 42 girls had left the exhibition, there were 12 more boys than girls at the exhibition. How many students were there at the exhibition at first?
Mrs Tay had an equal number of pears and apples at first. She sold half of the apples and bought another 42 pears. In the end, she had thrice as many pears as apples. Find the number of apples she had at first.
Level 3
Jake and Dave had $1200 at first. Jake spent $400 while Dave spent $120 less than him. The amount Dave had left was 35 of the amount Jake had left. How much did Jake have at first?
Level 3
At a farm, there were 47 as many ducks and chickens. The farmer added another 24 ducks but sold away 40 chickens. In the end, there were 8 chickens more than ducks. How many ducks and chickens were there altogether in the end?
Level 3
Sarah had 35 as much money as Tricia. Sarah received another $40 from her father and Tricia received $8 from her mother. In the end, Sarah had $6 more than Tricia. How much did the girls have altogether in the end?
Level 3
In a shopping mall, 58 of the customers were female. Within five minutes, 56 more female customers and 24 more male customers entered the shopping mall. As a result, there were 100 female customers more than male customers. How many customers were there altogether in the end?
Level 3
Johnson had some apples and oranges. The number of apples and oranges left were the same after Johnson sold 23 of the apples and 47 of the oranges. If he had 324 apples at first,
Level 3
Esther had $350 more than Kevin. Esther spent 34 of her money and Kevin spent 47 of his money. In the end, Kevin and Esther had the same amount left. Find the amount of money that Kevin had at first.
Level 3
Henry and Imran gave away the same number of playing cards. Henry gave away 45 of his playing cards while Imran gave 57 of his playing cards away. Given that Henry had 12 playing cards less than Imran at first, how many playing cards did Henry have at first?
