# How many shirts does the budget-minded student need to own so that he has a clean shirt to put on every day?

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A money-conscious student likes to wear a clean shirt every day.
He brings his shirts to the laundromat every Monday morning and picks them up exactly one week later.
How many shirts does the budget-minded student need to own so that he has a clean shirt to put on every day?

posted Jul 17, 2016

7 dirty shirts at the laundromat, 7 shirts to last until he picks them up, and the shirt he wears on Monday when he goes to the laundromat make 15 in all.

answer Jul 18, 2016 by anonymous

Ans = 15 Shirts
..............................
Explanation
-->According to the question the student will clean shirt everyday meaning on 7 days of the week.
-->Let us say he starts wearing clean shirts starting from Monday till Sunday i.e a total of 7 shirts
--> Now on Monday while going to the laundry shop he will need 1 more clean shirt.
--> Now he will be giving his dirty 7 shirts to the laundry to clean them but he will come back with 7 clean shirts from the laundry if he wants to continue to wear clean shirts for the rest of the 7 days.
Thus summing up 7+1+7= 15

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