Chapter 1
Write this ratio as a fraction in simplest form.
56 L to 35 L
8/5
6=8 + v
v = ___
v = -2
Write the ineqaulity
x is greater than -1
x > -1
Tyranatar has ridden his bike for 12 miles on a course. The course is 60 miles long. What percent of the course has he completed?
20%
The saying that Mr. Tweeton taught if you are supposed to divide a fraction by a fraction
Don't ask why, flip the second and multiply
If it cost $78 for 120 marbles, is $112 for 160 marbles the same price per marble?
No
$78/120 = $0.65 per marble
$112/160 = $0.70 per marble
47 = 5v - 8
v = ____
v = 11
solve for y
y - 6 < 12
y < 18
Write 2.4 as a percent
240%
If you are driving a bus and the first stop you pick up 6 kids, the second stop 8 get on and 4 get off. The final stop 12 get on the bus and 3 get off the bus. What is the bus drivers name?
"your name"
In a drawer, there are 8 pens for every 7 pencils.
If there are 24 pens, how many pencils would there be?
8/7 - 24/x
Cross multiply and divide
21
Americanisha is going for a run. She takes 4 hours to run 25.6 miles. What was her speed?
25.6 = r * 4
r = 6.4
-9.1 + y < -2.7
Solve for y
y < 6.4
Write 789.5% as a decimal
7.895
Riddle
I add 5 to 9 and get 2. The answer is correct, so what am I?
A Clock
if its 9:00 add 5 hours, you are at 2:00
Suppose that 12 inches of wire cost 72 cents. As this same rate, how many inches of wire can be bought for 42 cents?
7 inches
u/6 - 2 = -12
u = ____
u = -60
Translate
Five subtracted from the product of 7 and a number is at least 22
Use w for the variable
7w -5 (greater than or equal to) 22
Your family went out to eat at a steak house. The bill was $112.65. If you use the method we did in class, what would you tip of you give a 20% tip?
$22.00
Riddle
A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?
9 years
Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 7 liters of synthetic oil. In order to make 768 liters of Petrolyn oil, how many liters of natural oil are needed?
5/12 = x/768
320
The perimeter of a rectangular field is 246 m. If the length of one side is 69 m, what is the width?
54 m
11 > -3 - 7v/2
solve for v
v > -4
9.8
Group Problems -
In a school, 50% of the students are younger than 10, 1/20 of the students are 10 years old and 1/10 of the students are older than 10 but younger than 12, the remaining 70 students are 12 years or older. How many students are 10 years old ?
10