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2016 AMC 10B Problem 4

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2016 AMC 10B Problem 4AMC 10 Step by Step

Name: Date: September 13, 2026

Clocks, Calendars & Time · difficulty 2 of 5 · about 2 min · position P1-10

Zoey read $15$ books, one at a time. The first book took her $1$ day to read, the second book took her $2$ days to read, the third book took her $3$ days to read, and so on, with each book taking her $1$ more day to read than the previous book. Zoey finished the first book on a Monday, and the second on a Wednesday. On what day of the week did she finish her $15$ th book?

A)
$\text{Sunday}$
B)
$\text{Monday}$
C)
$\text{Wednesday}$
D)
$\text{Friday}$
E)
$\text{Saturday}$

2016 AMC 10B Problem 4

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