RATIOS & RATES
Carl can type 180 words in 2 minutes.
How many words can Carl type in 1 minute?
Carl can type 90 words in 1 minute.
Simplify the following algebraic expression:
5(2x + 3) - 8 + x
11x + 7
In a school with 600 students, 65% take the bus home. How many students take the bus home?
390 students
Julie is writing a report about rainbows and needs to gather data. Which is a statistical question Julie could ask?
A. What are the colors of the rainbow?
B. When was the first rainbow seen?
C. Is there really a pot of gold at the end of a rainbow?
D. How many rainbows have you seen this month?
D. How many rainbows have you seen this month?
Length=20 inches
Width=10 inches
Height=11.5 inches
What is the VOLUME, in cubic inches, of the rectangular prism?
Volume=2,300 inches3
The ratio of the number of girls to the total number of students in Mrs. Jepsen's class is 2:5. The number of girls in the class is 12. How many students are in the class?
30 students
Write AND solve the algebraic equation that represents:
Eight times the number y is fifty-six
8y = 56
y=7
Subtract:
48.235 - 29.67
18.565
Judy surveyed her friends to see how many minutes they studied for their math test last evening. The results are in this list:
10, 15, 20, 15, 35, 25, 20, 30, 25
What is the MEAN of the data? Round to the nearest WHOLE number.
Mean=22
A serving of hot chocolate requires 3/4 cup of milk.
How many servings can Nina make with 7 and 1/2 cups of milk?
Nina can make 10 servings.
A game has green and blue pieces. The ratio of green game pieces to total pieces is 5:12.
What is the ratio of green pieces to blue pieces?
5:7
Emily studies 40 minutes after lunch for a science exam. She studies x more minutes that evening. She studied a total of 110 minutes. Write AND solve an equation that represents the total number of minutes that Emily studies for the science exam.
40 + x = 110
x=70
Kate and Becca each bought a new book for $50.
-Katie sold her book to the used bookstore for 25% less than the original price.
-Becca sold her book to the used bookstore for 40% less than the original price.
How much MORE money did Katie receive for her book than Becca received for her book?
Katie received $7.50 more
Judy surveyed her friends to see how many minutes they studied for their math test last evening. The results are in this list:
10, 15, 20, 15, 35, 25, 20, 30, 25
What is the MEDIAN of the data? Round to the nearest WHOLE number.
Median=20
Write AND graph an inequality for the statement:
Jennifer has more than $9 in her pocket. Let j represent the amount of money.
j > 9
Nina used 3.75 liters of water to completely fill 3 water bottles.
If the water bottles are all the same size, how many liters of water does each bottle hold?
1.25 liters
Solve the following equation:
3(y - 7) = 3
y = 8
Janelle took a science test that had 40 questions. She got 90% of the questions correct. How many questions did she get incorrect?
4 were incorrect
Find the MEAN of the data set below:
35, 30, 15, 35, 15, 85, 20, 40, 30, 30, 25, 30, 25
Round to the nearest WHOLE number
Mean=32
A baker uses the expression 5.75c + 3.45p to calculate his profit when he sells c cakes and p pies.
What is the bakers profit, in dollars, when he sells 33 cakes and 42 pies?
The bakers profit is $334.65
Dylan can type at a rate of 162 words in 2 minutes. How many words can he type in 5 minutes?
405 words
Use the following information to find the missing numbers in the data set:
20, 24, 33, 35, ___, ___
Mean=36
Range=32
52, 52
NO CALCULATOR
Multiply:
8.296 . 0.8
6.6368
Find the five number summary of the data set below:
35, 30, 15, 25, 20, 15, 25
15~15~25~30~35
What is the value of 33 . 72 - 8 ÷ 4
1321