Ratios/Proportions
Nora and Eli are making homemade spring rolls for a party. Nora can make 8 spring rolls in 10 minutes. Eli can make 10 spring rolls in 12 minutes. If they each make 40 spring rolls, who will finish first?
Eli
What is 0.24 as a fraction?
6/25
59% of 640 is what?
377.6
(30/5) + 2 * 3^2 =
24
What is the value of the expression when x=-3
3(5 - x)
24
Which package has the lowest cost per ounce of rice?
7 ounces $2.59
12 ounces $4.56
18 ounces $6.30
12 ounces for $4.56
What is 5 (1/3) + 7 (1/6)?
12 (1/2)
Helen has read 13 chapters of a 22-chapter book. What percent of the chapters has she read?
59%
Simplify: -4b + (-9k) - 6 - 3b + 12
-7b - 9k + 6
An arts academy requires there to be 3 teachers for every 60 students and 6 tutors for every 72 students. How many teachers and tutors does the academy need if it has 120 student?
6 teachers and 10 tutors
What the product of (4/9) and (3/8)
(1/6)
Lena's softball team won 8 games last month and 10 games this month. What was the percent chance in games the team won? Was is it an increase or decrease?
25% increase
4 + 2(8^2 -4) - 20/2 =
114
Write an expression that represents the perimeter of a rectangle that has a length of (2x + 4) and a width of (6x - 1)
16x + 6
Do x and y have a proportional relationship?
x 2 3 5 8
y 5 7.5 12.5 18
If yes, what is the constant of proportionality?
no
Find the sum: Answer must be in simplest form
(1/2) + (3/10) + (4/5)
32/20 = 1 (3/5) = (8/5)
Nate has $50 to spend at the grocery store. He fills his shopping cart with items totaling $46. At checkout he will have to pay 6% sales tax on all the items. Does he have enough money to buy everything? If yes, how much change will he receive?
yes, $1.24
Solve:
-1 + 7(8 + 3b) = 118
b = 3
Use the table to answer the question.
x 12 18 22 26 ?
y 1.5 2.25 2.75 3.25 3.75
30
Find the difference:
(7x - (2/3)) - (-3x + (3/4))
10x + (1/12)
A shoe store uses a 50% markup for all the shoes it sells. The store also charges a 10% sales tax on all purchases. What would be the purchase price, including sales tax, of a pair of shoes that has a wholesale cost of $57?
$94.05
Solve for x:
(3/4)x +2x = (13/16)
x = 13/44