Mathematics, 17.03.2021 23:50 kyleg1711

PLEASEEE HELP ME I DONT KNOW HOW TO DO I EX1
The arithmetic mean of seventeen consecutive natural numbers equals to 112.5% of the smallest number. What percentage of the largest number is the mean?
EX2
Mr. Smith decided to regularly wash his head with an antidandruff shampoo every three days. He began on January 1st, 2017 on Saturday. On what day of the week will he wash his head for the last time in 2017?

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PLEASEEE HELP ME I DONT KNOW HOW TO DO I EX1
The arithmetic mean of seventeen consecutive nat...