Weekly Quizizz Percents & Simple Interest

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%
• Increase 19%
• Decrease 24%
• Decrease 19%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Mrs.Mroc has 35 students in her science class.If her class increases to 42 students next year, what will be the percent of change?

• 20%
• 75%
• 93%
• 33%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The Polar Express movie is $12 and it will be on sale for $8.What is the percent of change if the cost decreased $4?

• 15%
• 33%
• 10%
• 32%

Tags

CCSS.7.RP.A.3

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%
• Decrease 50%
• Increase 1%
• Decrease 1%

Tags

CCSS.7.RP.A.3

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%
• Decrease 12.5%
• Increase 4%
• Decrease 4%

Tags

CCSS.7.RP.A.3

Find the percent of change if the original cost was $5 and the new cost is $1. 

• Increase $4
• Decrease $4
• Decrease 80%
• Decrease 400%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

6. Tom's weekly salary increased from $240 to $288. What was the percent of change?

• 120%
• 20%
• 16.6%
• 15%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

4. A DVD movie originally cost $24.99. Its current price is $19.99. What is the percent of change rounded to the nearest percent?

• 20%
• 20.008%
• 25%
• 25.01%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%

• 20%

• 2500%

• 80%

Tags

CCSS.7.RP.A.3

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 18%

Tags

CCSS.7.RP.A.3