Ratio and Proportional Relationships
A baker is looking for a recipe that has the lowest unit rate for flour per batch of muffins. Which recipe should she use?
A. 1/2 cup flour for 2/3 batch
B. 2/3 cup flour for 1/2 batch
C. 3/4 cup flour for 2/3 batch
D. 1/3 cup flour for 1/4 batch
A. 1/2 cup of flour for 2/3 batch
Which expression results in a negative answer?
A. a negative number divided by a negative number
B. a positive number divided by a negative number
C. a negative number multiplied by a negative number D .a positive number multiplied by a positive number
B. a positive number divided by a negative number
Timothy began the week with $35. He bought lunch at school, paying $2.25 for each meal. Let x be the number of meals he bought at school and y be the amount of money he had left at the end of the week. Which equation represents the relationship in the situation?
A. y = 2.25x + 35
B. y = 35 - 2.25x
C. x = 35 - 2.25y
D. y = 2.25x - 35
B. y = 35 - 2.25x
(Page 260 #5)
What is the measure of ∠BFC?
108°
Suri charges by the day to walk a dog. She charges $6.25 for 5 days and $8.75 for 7 days. Which equation represents this relationship?
y= 1.25x
Clara played a video game before she left the house to go on a walk. She started with 0 points, lost 6 points 3 times, won 4 points, and then lost 2 points. How many points did she have when she left the house to go on the walk?
-16 points
Which expression is equivalent to (9x - 3 & 1/8 ) - (7x + 1 & 3/8 )?
2x - 4 & 1/2
(Page 304 #9)
The radius of the circle is given in meters. What is the circumference of the circle? Use 3.14 for pi.
50.24 meters.
Randy walks 1/2 mile in each 1/5 hour. How far will Randy walk in one hour?
2 and 1/2 miles
Mrs. Rodriguez is going to use 6 and 1/3 yards of material to make two dresses. The larger dress requires 3 and 2/3 yards of material. How much material will Mrs. Rodriguez have left to use on the smaller dress?
2 and 2/3 yards
A taxi costs $1.65 for the first mile and $0.85 for each additional mile. Which equation could be solved to find the number x of additional miles traveled in a taxi given that the total cost of the trip is $20?
A. 1.65x + 0.85 = 20
B. 0.85x + 1.65 = 20
C. 1.65x - 0.85 = 20
D. 0.85x - 1.65 = 20
B. 0.85x + 1.65 = 20
(Page 304 #10)
The dimensions of the figure are given in millimeters. What is the area of the two-dimensional figure?
208 square millimeters
Find the percent change from 72 to 90.
25% Increase
On Sunday, the wind chill temperature reached -36 °F. On Monday, the wind chill temperature only reached 1/4 of Sunday’s wind chill temperature. What was the lowest wind chill temperature on Monday?
-9°F.
Ramón’s toll pass account has a value of $32. Each time he uses the toll road, $1.25 is deducted from the account. When the value drops below $10, he must add value to the toll pass. Which inequality represents how many times Ramón can use the toll road without having to add value to the toll pass?
A. 10 - 1.25t ≥ 0
B. -1.25t + 32 < 10
C. 32 -1.25t ≥10
D. 32 -10t ≥1.25
C. 32 -1.25t ≥10
A forest ranger wants to determine the radius of the trunk of a tree. She measures the circumference to be 8.6 feet. What is the trunk’s radius to the nearest tenth of a foot?
1.4 ft