This looks just like a good-ol' fashioned arithmetic sequence with
a = 14 and d = x
use your formula for term(11)
Ali is planning to keep fit through practicing push-ups for 21 days. on the first day, he can only do 14 push-ups in a minute. He plans to do x more push-ups in a minute on the next day.
How many push-ups can he do in a minute on 11th days? (in term of x)
3 answers
It is the answer is 14 + 10x ?
correct
I hope x is small, to be realistic...
I hope x is small, to be realistic...