Number Operations
The GCF of 18 and 45.
9
0.9 + 7.43
8.33
Simplify the ratio 45 : 15
3 : 1
Write an expression
"The sum of m and 10"
m + 10
Find the area of a triangle with a base of 14 in and a height of 8 in.
A = 56 in2
33
27
2 divided by 1/3
6
A photocopy machine can print 240 copies in 30 minutes. What is the rate at which the machine prints the copies per minute?
The machine prints 8 copies per minute.
Evaluate when y = 3
9y - 10?
17
What is the absolute value of -72?
72
-18 ____ - 7
-18 < - 7
1.2 x 0.08
0.096
A bouquet of 25 flowers has 12 roses. What percent of the flowers are roses?
48% of the flowers are roses.
Simplify
9m+ 4 - 5m + 3
4m+7
The quiz scores of eight students are 12 points, 18 points, 20 points, 15 points, 18 points, 15 points, 16 points, and 14 points. Find the mean quiz score of the eight students.
The mean score (average) is 16 points.
7 x 32 + 5
68
A jar contains 6 liters of water. It is poured equally into some bottles. Each bottle contains 1/7 liter of water. How many bottles are there?
The water can be poured equally into 42 bottles.
A group of students surveyed chose baseball and soccer as their favorite sport in the ratio of 3:8. If 56 students chose soccer as their favorite sport, how many students chose baseball?
21 students chose baseball.
Solve
m - 7 = 12
m = 19
A flock of birds is flying 80 meters above sea level. A submarine is 185 meters below sea level. What is the distance between the birds and the submarine?
The submarine is 265 meters away from the birds.
10 x 62 - (22 + 9)
347
A pint of juice costs $0.80. If Jason wants to buy 3.5 pints of juice, how much will he have to pay?
Jason will have to pay $2.80 for the juice.
Ray spent 20% of his savings to buy a computer. If he saved $7500, how much did he spend on the computer?
Ray spent $1500 on the computer.
Solve
6w = 72
w = 12
Simplify
7(5x+12) + 5(x - 4)
40x+64
OR
8(5x+8)