Level 3 Yesterday, there were thrice as many chickens as ducks on a farm. Today, 64 chickens are sold. There are thrice as many chickens now. Find the total number of ducks and chickens on the farm yesterday.
Level 3 Last Tuesday, Max had twice as many marbles as Dan. Today, Max gives 75 of his marbles to his cousin. Now Dan has thrice as many marbles as Max. How many marbles does Dan have?
Level 3
There were twice as many boys as girls at a party. After 8 girls left the party, there were thrice as many boys as girls who remained behind. How many boys were there at the party?
Level 3
A fruit stall had 3 times as many apples as oranges. After 15 apples were sold, the number of oranges became twice the number of the remaining apples. How many oranges were there at the fruit stall?
Level 3
Amy had 32 more stickers than Bobby at first. After Amy bought another 20 stickers, she had twice as many stickers as Bobby. How many stickers did Amy have at first?
Level 3
Jennifer had 12 less pies than Clara at first. After Jennifer had eaten 4 pies, Clara had twice as many pies as Jennifer in the end. How many pies did Clara have?
