Benchmark Review

Which statement is true?

• Nine students answered 55% of the questions correctly

• Half the students answered 70% or 75% of the questions correctly

• Eight students answered more than 80% of the questions correctly.

• Ten students answered 100% of the questions correctly

Which statement is supported by the data in the dot plot?

• More than half of the birds have wing lengths of less than 50 millimeters.

• There are more birds that have a wing length of 54 millimeters than birds that have a wing length of 46 millimeters.

• Fewer than half of the birds have wing lengths greater than 48 millimeters.

• There are more birds that have a wing length of 52 millimeters than birds that have a wing length of 51 millimeters.

Put in order from least to greatest​ (a)   ​ (b)   ​ (c)   ​ (d)  

• 0.01
• 32%

Based on the data in the table, how much more money would a person with a master’s degree earn than a person with a bachelor’s degree over a 35-year career?

• $402,500

• $126,770

• $11,500

• $4,434,500

On Wednesday 72% of the customers who bought gas at a gas station made additional purchases. There were 250 customers who bought gas. How many of these 250 customers made additional purchases?

Yesterday 170 guests at a hotel called for room service, and 255 guests did not call for room service. What percentage of the guests at this hotel called for room service yesterday?

• 60%

• 15%

• 40%

• 85%

A shop owner offered a 20% discount off the regular price of a mirror. The amount of the discount is $3. What is the regular price of the mirror?

• $15

• $6

• $9

• $18

Keith wrote the expression shown to determine the cost in dollars for an upcoming trip.

(127.50 - 23.50) + 3(86.50 + 4)

Which expression is equivalent to the one Keith wrote?

• 107(90.50)

• 101(90.50)

• 104 + 3(90.50)

• 104 + 263.50

• 14 ⋅ 81

• 12 + 20 − 54

• 4(8) − 3 ⋅ 81

Patricia recorded the prices of watches at a store. The prices are shown in the table.

What is the median price of the watches in dollars?

Mathematical Equivalence

ON