Topic 3 Review

Front

What is the formula to calculate a tip?

Back

Tip = Total Bill x Tip Percentage

Front

How do you calculate percent error?

Back

Percent Error = |(Estimated Value - Actual Value)| / Actual Value x 100%

Front

What is the sale price of an item after a discount?

Back

Sale Price = Original Price - (Original Price x Discount Percentage)

Front

How do you find the number of students who like a certain activity based on a percentage?

Back

Number of Students = Total Students x Percentage of Students Who Like It

Front

What is the formula for simple interest?

Back

Simple Interest = Principal x Rate x Time

Front

What is 15% of $26?

Back

$3.90

Front

If Jocelyn estimated a measurement of 5.5 cm and the actual measurement is 5.62 cm, what is the percent error?

Back

2.18%

Front

If a video game costs $39.99 and is on sale for 20% off, how much do you pay?

Back

$31.99

Front

How many 7th graders like playing Among Us if 80% of 80 students do?

Back

64 students

Front

How many 8th graders like playing Among Us if 60% of 150 students do?

Back

90 students