Rate/Unit Rate
If 1/8 of a fence is built in 2/5 of an hour, how much of the fence will be completed 1 in hour?
What is 5/16
In order for a graph to be proportional, the graph should have a line that ......?
straight line that passess through the orgin ( 0,0)
Expand using the distributive property.
4( 2x + 3 )
8x + 12
During one week, Sheila made several changes to her bank account. She made four withdrawals of $40 each from an ATM. She also used her check card for a $156 purchase. Then she deposited her paycheck of $375.
By how much did the amount in her bank account change during that week?
59
Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?
$1.50
Jake eats 1/4 of a box of cereal in 1/8 of a month.
If he continues to eat cereal at this rate and all the cereal boxes are the same size, how many boxes of cereal will Jake eat in a month?
Does the table represent proportional relationship.
x y
3 15
6 30
9 45
yes
Expand using the distributive property.
9( 3 + m - 5 )
9m-18
Find the area of the circle with a radius of 7in
153.86in
9 miles
If 1/2 of a stick of butter will be used for 3/4 of a batch of cookies, what fraction of a stick of butter will be needed for a complete batch of cookies?
What is 2/3 of a stick of butter?
Do these ratios show proportional relationship?
10:40 14:56
5:15 14:40
No they do not form a proportional relationship
5(x-4) + (2x-7)
7x -27
Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?
10.99 ft
Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, what is the actual distance between the 2 cities?
192 km
Julia used 2 1/2 gallons of paint to cover 1/8 of her wall.
How much paint is needed to cover her entire wall?
What is 20 gallons?
In the equation y = 18x, what’s the constant of proportionality?
(7a + 4) - (9a + 2)
-2a + 2
The lowest temperature on Thursday was -20 C. The lowest temperature on Saturday was -12 C. What was the difference between the lowest temperatures?
8 C
Mike's Music charges $45 per hour. Tim's Tunes charges $80 plus $25 per hour.
If you have $240, how many hours will Mike's Music play?
5 ⅓ hours
A 2 pound package of shredded cheddar cheese is $6.98. A 1/2 pound package of shredded cheddar cheese is $1.98.
What is the difference in the cost per pound between the larger and smaller packages of shredded cheddar cheese?
The smaller package costs $0.47 more per pound than the larger package.
Kesha drives 36 miles in 48 minutes. Keeping the same rate, she drives _____ miles in 12 minutes.
9 miles
Factor:
8x+40
8(x+5)
X=84.16
Bob has the following scores in pre-algebra.
73, 87, 93, 89, 92, 81, 87, 91
What is his current average? (Mean is average)
86.7