Percents
What is 40% of 200?
80
True or false? 2x+10=12
False
What is the solution to -3+6?
3
What is the area of a rectangle with a length of 10 inches and a width of 7 inches?
70 inches squared
A negative plus a negative equals a what?
Negative
What percentage of 80 is 16?
20%
What is the difference between an equation and an inequality?
An equation has an equals sign and an inequality has a greater than or less than sign.
A positive times a negative equals a what?
Negative
What is the formula for a triangle?
A=bh/2 or A=1/2bh
What is the difference between an expression and an equation?
An equation has an equals sign and an expression doesn't.
True or false? When changing a percent to a decimal, you move the decimal two places to the right and that is your answer.
False
What is the solution to the inequality r-4.5<11
r<15.5
Over a period of 12 hours, the temperature dropped 60°F. What was the average change in temperature in one hour?
-5 degrees
What is the missing width of the prism below if the volume is 352 cubic meters and the length is 11m and height 8m?
4 meters
A florist uses 200 lilies to make 8 identical flower arrangements. How many lilies would the florist use to create 6 identical arrangements?
150
Cristina picked out a tennis racket that was $35. If there was an 8% tax, then how much will she pay in tax?
$2.80
4x+6<28
x<1
Julio has $33 dollars in his checking account. He then writes a check for $42. What is the balance of Julio’s bank account?
-$9
A swimming pool in the shape of a rectangular prism measures 10 feet by 8"1" /"2" feet by 5 feet. How many cubic feet of water will the swimming pool hold?
425ft cubed
A bag of chips contains 621 calories and serves 4.5 people. How many calories are in each serving?
138 calories
A teacher’s cabinet has 56 black dry erase markers and 14 red dry erase markers. Which proportion can be used to determine p, the percent of dry erase markers that are red?
70/14=100/x
What is the solution for the equation d/7=-13?
d= -91
What is the solution to the problem, 44-(-26)?
70
What is the area of a triangle with a height of 12m and a base of 26m?
156 meters squared
What is the formula for area of a trapezoid?
(b1+b2)h/2