Topic 3 Review of Lessons 3-1 through 3-5

1. Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s estimate?

• 2.13%

• 2.18%

• 12%

• 46.83%

Emerson struck out 112 times in 350 at-bats. Which proportion is set up correctly to solve for the percent?

• $\frac{112}{350}=\frac{p}{100}$

• $\frac{p}{350}=\frac{112}{100}$

• $\frac{350}{112}=\frac{p}{100}$

Emerson struck out 112 times in 350 at-bats. What percent of at-bats did Emerson strike out?

• 32%

• 3.125%

• 11.2%

• 35%

A department store sells a pair of shoes with an 87% markup. If the store bought the pair of shoes for $55.25, what is the selling price to the nearest dollar?

• $87

• $103

• $142

• $187

If you buy a video game for $55 and there is a sales tax rate of 6%, what is the total price after tax?

• $58.30

• $55.06

• $61

• $64.17

62% of 80 classmates at Eric's school like hip-hop music.

70% of his 60 relatives like hip-hop.

Do more classmates or relatives like hip-hop?

• Classmates because 62% of 80 is about 50 kids, while 70% of 60 is only 42 relatives.

• Classmates because there are more classmates than relatives.

• Relatives because 70% is higher than 62%

• The same number of classmates and relatives like hip hop.

Cora’s kitten weighs 1,200 grams. He weighed 550 grams at the last visit to the vet’s office.

What is the percent increase in the kitten’s weight rounded to the nearest whole number?

• 117%

• 58%

• 118%

• 59%

Ethan buys a video game on sale. If the video game usually costs $39.99, and it was on sale for 20% off, how much did Ethan pay?

• $7.99

• $14.99

• $31.99

• $39.74

What is 27.5% of 48?

• 13.2

• 1.32

• 132

• .57

220.2 is 60% of what number?

• 367

• 132.12

• 27.2

• .272