Translate and Simplify: Algebraic Expressions Challenge

Maria has 3x apples and her friend gives her 2x more. How many apples does Maria have now?

A box contains 4y toys, and another box contains 5y toys. How many toys are there in total?

Tom has 6a books, and he buys 4a more. How many books does Tom have altogether?

In a garden, there are 7m flowers, and 3m more are planted. How many flowers are in the garden now?

A baker made 5c cookies and then baked 3c more. How many cookies did the baker make in total?

Lily has 2p pencils, and she finds 5p more in her backpack. How many pencils does she have now?

A car travels 10d miles on the first day and 15d miles on the second day. How many miles did the car travel in total?

In a classroom, there are 8k chairs, and 6k more are added. How many chairs are there now?

A farmer has 9b chickens and buys 4b more. How many chickens does the farmer have now?

Samantha has 12x stickers, and she receives 7x more as a gift. How many stickers does she have in total?