4-1 Understand Percent Quiz

What percent is represented by the 10x10 grids?

• 125%

• 1.25%

• 1,025%

• 0.125%

What percent of the figure is shaded?

• 53%
• 60%

• 63%
• 37%

What percent is represented by the bottom bar in the tape diagram?

Answer explanation

2/5 of the tape diagram is shaded. This is equivalent to 4/10 or 40/100, which is 40%.

A survey found that 3 out of every 10 students in St. Joseph live farther than 2 miles from their school. What percent of students live farther than 2 miles from their school?

The Frozen Yogurt Store sells 2.7 times as many vanilla frozen yogurts as strawberry frozen yogurts. What percent of the sales of strawberry frozen yogurt are the sales of vanilla frozen yogurt?

• 0.27%

• 2.7%

• 27%

• 270%

Four out of five people surveyed said they would travel by train more often if it were less expensive.

Steve said that 40% of the people said they would travel by train more often if it were less expensive.

Is Steve correct? Explain.

Choose the correct answers.

Steve ​ (a)   correct. Steve should multiply 4/5 by ​ (b)   to get ​ (c)   .

HINT: Steve is/is not correct. Steve should multiply 4/5 by 10, 20, 10 over 20, 20 over 20 to get 8/16/40/80%.

• is
• is not
• 20
• 10 over 20
• 10
• 20 over 20
• 80%
• 8%
• 16%
• 40%