As per arithmetic progression, Anna will practice on the seventh day for 240 minutes.
What is an arithmetic progression?
"Arithmetic Progression is a sequence of numbers in order, in which the difference between any two consecutive numbers is a constant value."
Anna practices on the first day for 1 hour
[tex]= 60[/tex] minutes
She increases the time by 30 minutes each day.
Therefore, on the 7th day she will practice for
[tex]= [60+(7-1)30][/tex] minutes
[tex]= 240[/tex] minutes
Learn more about an arithmetic progression here: https://brainly.com/question/24873057
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