Darryl has written 60 percent, or 12 pages, of his history report. Darryl wants to figure out how many pages he needs to write. Darryl’s work is shown below.
Step 1: Write 60 percent as a ratio.
Step 2: Write an equivalent ratio using the number of pages done so far.
Step 3: Rewrite as:
.
Step 4:
What mistake did Darryl make?