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.
part 60
Step 1: Write 60 percent as a ratio whole - 100
Step 2: Write an equivalent ratio using the number of pages done so far.
60
100
12
?
Step 3. Rewrite as: 12(100)-60
Step 4: 120-60-2
What mistake did Darryl make?
100
In Step 1. Darryl should have written the ratio as 60
In Step 2 Darryl should have put 12 in the denominator