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
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.
