Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
PSAT Prep
/
Reverse Percent Problems
Grade Level
PSAT Prep
108 Reverse Percent Problems
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A lab procedure took 320 minutes after the time estimate increased by 33 1/3%. What was the original time estimate?
A
240 minutes
B
320 minutes
C
427 minutes
D
480 minutes
Submit Answer