Level 3
At an amusement park, there were 34 as many boys as girls. After 90 boys came and 36 girls left the amusement park, there was an equal number of boys and girls who remained at the park. How many children were at the amusement park in the end?
Level 3
Mrs Lee had a total of 125 oranges and apples. She sold half of the apples and 35 oranges. In the end, she had an equal number of oranges and apples left. Find the number of oranges she had at first.
Level 3
Serena had 134 round and square shaped cookies. After giving away 13 of her round shaped cookies and 14 of her square shaped cookies, she had an equal number of round and square shaped cookies. How many square shaped cookies did she have at first?
Level 3
Yesterday, Mae had 61 local and foreign stamps. Today, she gave away 15 of her local stamps and 16 of her foreign stamps. Now, she has an equal number of local and foreign stamps. How many local stamps did she have yesterday?
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.
