88 - (-36)
124
A negative times a negative equals what?
A positive
Find the quotient. -55 divided by -11
5
8 - (-12) =
20
-146 + 285
139
Solve.
3x + 12 = 51
x = 13
Add 7.8 and -45.3
37.5
12 x -23
-276
Find the product 2/4 and -5/6.
-5/12
A piano teacher charges $50 per hour for lessons. This year, she increased her price by 10%. How much is she charging now?
$55 per hour
In a race, first place took 14.2 seconds to finish. Second place took 13.9. How much faster was first place than second place?
0.3 seconds faster
1/3 of the class has a pet dog. There at 33 students in the class. How many have a dog?
11 students have a dog
Ellen has a pencil 6x + 4/5 cm long.
John has a pencil 2x + 1/5 cm long.
How much longer is John's pencil than Ellen's?
4x + 3/5
Write an expression that is equivalent to 1/2(4x + 24)
2x + 12
Write an equation for the following situation. A salesperson is paid $90 every week plus $15 for every chair she sales. This week, she earned a total of $250.
90 + 15x = 250
Dastie used 2 1/4 cups of flour to make 5 muffins. How many cups of flour will she need to make 20 muffins?
Dastie needs 9 cups of flour to make 20 muffins.
Find the value of x. (3,8) (x,12)
x = 4.5
The record low high temperature recorded one year was 75 degrees. The record low was -13. How much warmer was the high temperature than the low temperature?
88 degrees
The price of a cell phone was $400, but it increased to $450. What is the percent increase?
12.5%
Davonta bought a new computer. The price was $92 when he bought it. The next day the price increased by 40%. What was the new price?
$128.80
Edward wants to but a jacket that costs $75. It is discounted 15% off. What is the sale price for the jacket?
$63.75
Karissa can make 24 bracelets in 1/4 hour. How many bracelets can she make in 1 hour?
96
What is the perimeter of a triangle whose sides are: 3x + 2/6 , 5x + 2/3 and x +5/6
9x + 1 5/6
Ms. Williams can run 4/5 mile in 1/3 hour. How many miles can she run in 1 hour?
2 2/5 miles in 1 hour.
Find the value of x and y. (4,6) (8,12) (x,12) (13,y)
x = 8
y = 19.5