Topic 4 Interleving Practices (%)

Carlos estimates that the length of a pencil is 15.4 cm. However, the actual length of the pencil is 15.7 cm. What is the percent error in Carlos's estimate?

• 1.9%

• 2.0%

• 1.5%

• 1.8%

In Soccer Game 1, Ava took 20 shots on goal and missed 5 times. In Game 2, she took 25 shots and missed 6 times. In Game 3, she took 30 shots and missed 7 times. What percentage of shots on goal did Ava successfully make?

• 75%

• 80%

• 85%

• 70%

Lily and Jake go out to dinner. Their meal costs $42.50, and there is a 7% sales tax. How much is the total bill? Round to the nearest cent.

• $45.48

• $37.50

• $29.75

• $2.97

A gardener uses 2/3 cup of fertilizer to plant 1/4 of a garden. The relationship between the amount of fertilizer and the size of the garden is proportional. How many cups of fertilizer does the gardener need to plant 1 full garden?

• 2 2/3 cups

• 2 cups

• 3 cups

• 2 1/2 cups

What is the formula for calculating percent error?

• (Measured Value - True Value) / True Value x 100

• (True Value - Measured Value) / Measured Value x 100

• (Measured Value + True Value) / True Value x 100

• (Measured Value - True Value) / Measured Value x 100

What is the percent increase from 57 to 75?

• 31.6%

• 76%

• 18.4%

• 24.6%

What is the interest formula used to calculate simple interest?

• I = PRT

• I = P + RT

• I = PR/T

• I = P/R + T

What is the percent error if the measured value is 42.50 and the true value is 45.48?

• 11%

• 5%

• 8%

• 3%

How do you calculate the percent increase from 42.50 to 45.48?

• 7%

• 5%

• 10%

• 3%

What is the result of multiplying 2/3 by 4?

• 8/3

• 6/3

• 4/3

• 10/3