Level 3 Andy had 4 times as many books as Sean . After Andy and Sean donated 107 books and 20 books away respectively, they were left with an equal number of books. How many books did Andy have at first?
Level 3 Abi had 4 times as much money as Joelle. After Abi and Joelle spent $62 and $8 respectively, they were left with an equal amount of money. How much money did Abi have at first?
Level 3
Melissa and Joyce went on a tour together. Melissa brought twice as much money as Joyce. After Melissa had spent $800 and Joyce had spent $240, they had an equal amount of money left. How much money did each of them have at first?
Level 3 Asher had 4 times as many blue files as pink files. After giving away 10 blue files and buying another 17 pink files, he had an equal number of blue and pink files. How many blue files did Asher have at first?
Level 3
There were thrice as many boys as girls in a gathering. After 12 boys had left the party and another 20 girls had joined the party, there was an equal number of boys and girls in the end. Find the number of boys at first.
