Numbers and Operations/Percentages
Draw a Venn diagram that best represents the relationship among integers, natural numbers, rational numbers, and whole numbers.
Mrs. Kelley will check and go over the answer!!! :)
Mrs. Kelley purchased 5 new chairs for her classroom. Each chair cost $39.95. She paid 19.95 for delivery. What is the total amount that Mrs. Kelley paid for the chairs?
$219.70
Alex rode his bike at a constant rate of .2 kilometers per minute. Based on this rate, how many kilometers would Alex travel in 25 minutes?
5 kilometers
Jazzmine put 5 red balls, 2 blue balls, and 3 purple balls into a bag. She will randomly choose one ball from the bag. What is the probability that Jazzmine will chose a blue ball?
1/5
A triangular pyramid has a height of 7 inches. The area of the base is 12 square inches. What is the volume of the pyramid?
28 in3
Sarah worked on Get More Math for 1 3/4 hours on Monday, 1.5 hours on Tuesday, and 3 hours on Wednesday. Next week Sarah will work on the program the same number of hours Monday, Tuesday, and Wednesday to get her 25 points. What is the total number of hours Sarah will work on Get More Math over these 6 days.
12.5 hours
The price of a coat was reduced from $25 to $15. By what percentage was the price of the coat reduced?
40%
Mason bought 14.2 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. How many liters of gasoline did Mason buy rounded to the nearest hundreth?
53.96 liters
Andrea flipped three coins during a probability experiment. The outcomes of the first 50 trails are below
3 tails: 8
1 head, 2 tails: 15
2 heads, 1 tail: 18
3 heads: 9
Based on this information, in how many of the next 150 trials will the outcome be exactly two of the coins showing heads?
54
A circle has a diameter of 8 inches. What is the area of the circle in square inches?
50.24 in2
Out of a 24 hour day, Spencer will spend 40% of his time sleeping, 10% of his time doing homework, 10% of his time doing fun things, and the rest of his time in class? Based on this information, how many hours are spent in class?
9.6 hours
Carson has assets totaling 112,000. Her liabilities total 75, 500. Based on this information, what is Carson's net worth?
$36,500
Zachary created a scale drawing of Mrs. Kelley's math classroom. In the scale drawing, the length of the classroom is 14 inches. If the actual length of the classroom is 98 feet, what scale did Zachary use to create the scale drawing of the classroom?
What is the solution to this equation?
3x + 12 = 27
x = 5
The circumference of a circle is C centimeters. The diameter of a circle is 12 centimeters. Write an equation that would result in Pi.
C/12
What is the value of the expression
5 3/4(-7.5)
Answer should be a fraction.
-43 1/8
Madison's net worth is $15,500. If her liabilities are valued at $25,000, what is the total value of her assets?
$40,500
Joel traveled at an average speed of 65 miles per hour for 4 hours and then traveled 55 miles per hours for 2.5 hours. What was the total distance in miles that Joel traveled during this time?
397.5 miles
What is the solution set for this inequality?
-7x - 30 > -51
x < 3
A circle has a diameter of 6.7 feet. What is the circumference of the circle in feet rounded to the nearest tenth?
21.0 feet
Christian worked 1.5 hours on Monday, 3 3/4 hours on Tuesday, 2 1/2 hours on Wednesday. If he works the same amount of hours each week for 3 weeks, how many total hours will Christian work?
23.25 hours
The price of a handbag was reduced from $30 to $18. By what percentage was the bag reduced?
40 %
Eden uses 800 beads to make 20 necklaces. At this rate how many beads are needed to make 1 necklace?
40 beads
A bag contains 3 red marbles, 6 green marbles, and 6 blue marbles. A marble will be randomly selected from the bag. what is the probability in decimal form that a green marble will be selected?
.4
If a circle has a diameter of 6 inches, what is the area of the circle?
28.26 inches2