Increase andDecrease

Front

16 is what percent of 80?

Back

20%

Front

What number is 17% of 50?

Back

8.5

Front

What is 60% as a fraction in simplest form?

Back

3/5

Front

What is 35% as a decimal?

Back

0.35

Front

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

Back

4%

Front

Define percent.

Back

A percent is a ratio expressed as a fraction of 100.

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is the formula for calculating percent error?

Back

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

Front

Convert 25% to a fraction in simplest form.

Back

1/4

Front

Convert 0.75 to a percentage.

Back

75%.