Question

logans e - reader sent a notification saying that he has completed 75% of the e - book. logan has read 180 pages so far. what is the total number of pages in logans e - book? hint: you can click on the plus signs to add columns for equivalent ratios.
pages read (part) 75 180
total number of pages (whole) 100

Explanation:

Step1: Set up proportion

Let $x$ = total pages. $\frac{75}{100} = \frac{180}{x}$

Step2: Cross-multiply to solve for $x$

$75x = 180 \times 100$

Step3: Calculate right-hand side

$75x = 18000$

Step4: Isolate $x$

$x = \frac{18000}{75}$

Answer:

240