In February Jay spent 30 hours playing Mario Kart Wii. In March he only spent 22.8. What was the percent of decrease.
24% decrease
12678•0=0
What property is this
Zero Property Of Multiplication
8x+5=61
x=7
Find the perimeter of a square:
All of the sides are 12.8 inches
The perimeter of a square is 51.2 inches
Converting decimal into percent
.43
43%
In a packet of skittles, 27% are red 12% are blue. What percent of the skittles are not red?
73% of the skittles are not red
2(3+12)=2•3+2•12
What property is this
Distributive property
4/5+.25+.60-.45•2
Solve
0.75
Find the area of a square:
All of the sides are 2.4 inches
The area of is 5.76 inches squared
Converting a percent to decimal
12.8%
.128
Bob is training for a bicycle race. In his first week he cycles 195 miles. In the second race he cycles 243 miles. What is the percentage increase in distance. Round to the nearest percent if needed.
Bob distance increase by 25%
Find the GCF of 42, 27
3
x/10=-30
x=-300
The perimeter of a rectangle:
The sides are 23.4cm and 15.6cm
The perimeter of a rectangle is 78cm
Converting fractions to decimal
-1/8
-0.125
In a group of 50 kids, 11 kids can not swim. What percent of the kids can not swim?
22% of the kids can not swim.
Find the LCM of 42, 27
378
10•4-2(42-4)-2+9
Use Order of Operation
23
The area of a rectangle:
The sides are 36.9cm and 48.2cm
The area of a rectangle is 1778.58 cm squared
Converting decimal to fraction
2.625
Put in simplest form
2 5/8
John drives 20 miles at an average speed of 21mph. The second part was uphill he only manages 13mph. By what percentage did his speed decreases. Round to the nearest tenth if needed.
John speed decreases by 38%.
Classifying Real Number
Classify 36. Natural, Whole, Integer, Rational, Irrational, Real
Natural, Whole, Integer, Rational, Real
.75•.5+(1/2)-(1/4)+.75/.25
3.625
Find the area and perimeter of a square:
The side is: 17.8 yards
The perimeter is: 71.2 yards
The area is: 316.84 yards squared
(5/10)• (1/2)+(1/2)/(1/4)
2.25