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3 years ago

14

During week one of his training Conrad did 10 push-ups every day. He increased his daily number of push-ups by 5 every week afte

r that. How many push-ups did Conrad do every day during week 25?

1 answer:

Nonamiya [84]3 years ago

6 0

He starts with 10, +5 after every week
week 2=10+5
week 3=10+5*2
...
week 25 =10+5*24
f(x)=10+5(x-1)
so during the 25th week=10+5*24=10+120=130

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