Pls help me i need to hand in this project today

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Twelve less than a number is at most 20

Ineed someone to me answer my question i have to have this done and knocked out