Question

1. noah reads 20 pages of a novel each day. he wants to determine the number of pages he reads over two weeks. let p represent the number of pages noah reads. let d represent the number of days noah reads.

a. which variable is the independent variable? which variable is the dependent variable? explain.

Explanation:

An independent variable is the one that is controlled or changed, while the dependent variable depends on the independent variable. Here, the number of days Noah reads ($d$) can be chosen freely, and the total pages read ($p$) is calculated based on the number of days (since he reads 20 pages per day, $p = 20d$). So $d$ is independent, and $p$ depends on $d$.

Answer:

The independent variable is $d$ (number of days Noah reads), and the dependent variable is $p$ (number of pages Noah reads). The total pages read ($p$) depends on how many days ($d$) Noah reads, as $p$ is calculated by multiplying the number of days by 20 pages per day, while $d$ can be changed independently.