Mathematics Quiz

Which of the following is equivalent to \(\frac{2}{3}x = 6 - y\)?

• 2x = 6 - 3y

• 3y - x = 6

• 2x + 3y = 18

• 2(x + 3y) = 18

There are 5 oatmeal cookies, 6 brownies, and 8 granola bars in a jar. If an item is selected at random, what is the probability of selecting a brownie?

• 1/6

• 6/19

• 8/19

• 6/13

What is the volume of a box with length 8, width 4, and height $ \frac{1}{4} $?

• 8

• 12 $ \frac{1}{4} $

• 32

• 128

What is the perimeter of the shaded area in the figure above?

• 15

• 16

• 24

• It cannot be determined from the information given.

Jose and Greg are going on a 20-mile walk for charity. If they walk 1/4 of the distance in the first two hours, and 1/5 of the entire distance in the next hour and a half, how many miles do they have left to walk?

• 9

• 10

• 11

• 12

The perimeter of a square whose area is 169 centimeters is

• 52

• 48

• 44

• 42

Two triangles, ABC and XYZ, are similar. Triangle ABC has lengths of 3, 4, and 5. Which of the following could be the corresponding lengths of triangle XYZ?

• 3, 3, and 3

• 4, 5, and 6

• 6, 8, and 10

• 13, 14, and 15

If $ q + 9 = 7 - p $, what is the value of $ q + p $?

• -16

• -2

• 2

• 16

Dr. Heldman sees an average of nine patients an hour for eight hours on Monday and for six hours on Tuesday. What is the average number of patients she sees on each day?

• 54

• 63

• 72

• 126

A DVD player initially cost $100. During a sale, the store reduced the price by 10%. Two days later, the store reduced the new price by 20%. What was the final price?

• $68

• $70

• $72

• $80