what is 30% of 120
30/100 (120) = 36
What is the value of:
23 + 32 - 42
1
Simplify the following expression:
5x - x = 64
What is x = 16
Tony has $420 in his account on June 30th and spends $30 every month on the 15th. Andre has $200 and saves $25 every month, on the same dates as Tony.
After how many months will they have the same amount?
420 -30x = 200 + 25x
420 -200 = 25x +30 x
220 = 55x
x = 4
After 4 months.
10% of 86
8.6
Find the GCF of 18 and 9
9
What is 70% of 80
70/100 (80) = 56
What is the solution of the two equations:
y= 4x - 3 y = -2x + 15
x y x y
2 2
3 3
3
Simplify the following expression:
-0.3m = -12
What is 40?
Shawn had a total of 24 math and Science questions for his homework. If he had 6 more math questions than science questions. How many of each math and science question he had?
15 Math and 9 Science questions.
If 12 pencils cost $15. How much does 24 pencils cost?
$30
Find the LCM of 12 and 6
12
The original price of a book is $80. It is on sale for 30% off.
What is the sale price?
70/100 (80) = $56.
how many degrees are in supplementary angles?
180
(3 + 22) * (7+ 2)
What is 63?
2.5x = 600
What is 240
Find the solution of the following equations:
y= 3x
y = 2x + 5
x = 5 and y = 15
(5,15)
30% of 90
27
Find the GCF of 21 and 18
3
A pair of Jordan is originally $130. It is on sale for 10% off. How much will you pay for this shoe?
90/100 (130) = $117.
If one angle in a set of supplementary angles is 52 degrees. What is the measure of the other angle?
180-52 = 128
What is 45?
x - (-12) = 10
What is 22
y = 2x + 1
y = 3x -2
x = 3, y =7
(3,7)
If I can walk 3 miles in 45 minutes, how many miles can I walk in 2 hours at the same rate?
8 miles
Find the LCM of 10 and 12
60
Tony bought a Jordan Collection for $180. He sold it for a markup price(profit), 25% of the original amount. How much did he sell it for?
125/100 (180) = $225.
Tommy banked $70 and adds 27 every month.
Keisha had $301. in her account and spend $40. every month.
After how many months will they have the same amount?
3 months
What is 30?
x - 0.9x = 7
What is 70?
y = 4x -3
2x + 2y = 34
x = 4, y = 13
(4, 13)
90% of 72
64.8
Find the GCF and LCM of:
12 and 24
GCF = 12
LCM = 24