Mixed Percent Problems

Yesterday, there were 9 sixth- graders in lunch detention. This was 25% of all the students in lunch detention. What was the total number of students in lunch detention? (hint - scale down to make the part equal to 1 before scaling up)

• 45 students

• 36 students

• 34 students

The students in Cesar's grade voted to select a guest speaker.

75% of the students voted for a famous athlete. If there are 60 students in Cesar's grade, how many voted for the athlete?

• missing part

• missing whole

• missing percent

The number of sixth grade students accounts for 35% of the total number of students enrolled in middle school. There are 245 sixth grade students. How many students are enrolled in middle school?

15% of 240

65% of 180

250% of 82

150% of 44

0.15% of 350

0.4% of 168

Kenzie is putting the family vacation videos onto a flash drive. The flash drive can hold 200 minutes of video. Kenzie has used 45% of the memory space already. How many minutes of the flash drive has she already used?