Solving Equations and Inequalities
2x= 8
x=4
6/16 = x/24
x=9
5(x + 1)
5x + 5
find 12% of 60. Round to nearest whole number
7
graph y = 2x +5 on a piece of graph paper
mr. bohrman check
x - - 10 = 20
If you can buy four bulbs of elephant garlic for $8 then how many can you buy with $32?
16
-2/5 ( 4x - 7)
-1.6x + 2.8
12% of what number is 52.2
graph y = -3/2x + 7
mr. bohrman check
x=-5
On a train platform, there is a map showing the train stops. The scale on the drawing is 1 inch : 40 miles. The distance from stop A to stop B on the map is 4 inches. Find the actual distance
The actual distance is 240 miles.
-4x - 5m + x + 7x - 12m
4x - 17m
Cost of a comic book: $3.95 Markup: 20%. Find the total cost
4.74
2x - 3y = 8
-2x + 8y= 12
Solve the system
(10,4)
2x+ 5 < 9
x < 2
Is the following a proportional relationship? Give two reasons why. 200 pts per good reason.
Goes through 0,0
24x - 8
3x - 1
Original price of a book: $18.50 Discount: 45%. What is the discount. Round to nearest cent.
8.33
y= -4x - 3
2x + 3y = 1
Solve the system of equations.
(-1,1)
(x-7)/-3 > 4
x < 5
If you can buy 3 songs for $3.32. Round to the nearest cent.
250 pts for the constant of proportionality
250 pts for an equation to show the relationship between the number of songs, s, and the total cost, c.
c=1.11s
60xy - 45y
partial credit allowed. 250 pts
15y ( 4x - 3)
There are 350 people at a luncheon. If 12% of the people will win a door prize, how many door people will win a door prize?
42
Emmet likes to make desserts for bake sales. Last month, he made 1 batch of brownies and 3 batches of cookies, which called for 10 eggs total. The month before, he baked 2 batches of brownies and 2 batches of cookies, which required a total of 8 eggs. How many eggs did Emmet use for a batch of each dessert?
(3,1)