Percent Proportion: Part or Whole
What is 60% of 150?
90
What percent is 24 of 300?
8%
Find the percent of change. Be sure to include if it is a percent increase or decrease.
$12 to $9
25% decrease
40% of students at Landry want to move out of New Orleans when they grow up. If there are 500 students at Landry, how many want to leave New Orleans?
200 students
A percent is a ratio that compares a number to ______.
100
4% of 73 is what number?
2.92
What percent of 140 is 3.5?
2.5%
Find the percent of change. Round to the nearest percent. Be sure to include if it is a percent increase or decrease.
48 notebooks to 14 notebooks
71% decrease
20% of 7th grade A day students have been to Colorado. If 23 students have been to Colorado, how many students are A day students?
There are 115 A day students.
What are the two percent formulas we use for percent proportions?
is/of = %/100 AND part/whole=%/100
What number is 12% of 17.5?
2.1
What percent of 4000 is 64?
1.6%
Find the percent of change. Round to the nearest percent. Be sure to include if it is a percent increase or decrease.
$240 to $320
33% increase
Sarah can spend 25% of her savings to buy a new video game. If she has $230 in her savings, how much can she spend on the video game?
She can spend up to $57.50 on a video game.
If there are 900 7th graders, and 24% of them have summer jobs, then how many students have jobs?
216 7th graders have summer jobs.
What is 103% of 127?
130.81
90 is what percent of 24?
375%
Find the percent of change. Round to the nearest percent. Be sure to include if it is a percent increase or decrease.
624 to 702
13% increase
Robby's total miles he ran for the week, went from 5 miles to 14 miles by the end of the track season. What was the percent of change? Be sure to determine if it's a percent increase or decrease.
180% increase
In 2019, a computer cost $369. In 2020, the same computer cost $503. What was the percent of change in computer cost from 2019 to 2020? Round to the nearest percent.
36% increase
12% of what number is 6.6?
55
63 is what percent of 9?
700%
Find the percent of change. Round to the nearest percent. Be sure to include if it is a percent increase or decrease.
680 to 12
98% decrease
0.5% of all statistics are true. If you have a list of 1,400 statistics, how many are true?
7
There were 2,200 visitors going into the zoo during the 1st week of July and 1,760 visitors during the 2nd week of July. What was the percent of change in the number of visitors at the zoo?