Integers
(+3)(+2)
(+6)
1/2 x 3/4
3/8
x + 5 = 9
x = 4
What symbol separates the numbers in a ratio?
colon or :
0.004 as a percent
0.4%
(-7)(-4)
(+28)
2/3 divided by 3/4
8/9
2x - 5 = 15
x = 10
A ratio compares the number of apples to all of the fruit in a set. What type of ratio is this?
part to whole ratio
2/13 as a percent - round to the nearest hundredth
15.38%
(-6)(+7)
(-42)
What is the process called that is done to the second fraction when dividing fractions?
Take the reciprocal
2(x+3) = 12
x = 3
Simplify 6:18:12
1:3:2
15% of 38
5.7
(+32) / (-4)
(-8)
1 2/3 x 2 1/4
3 3/4
5 - 3x = -4
x = 3
A bag of candy has 3 green, 4 blue, 2 purple and 5 red candies. What is the ratio of red to green to white?
5:3:0
Find the whole amount: 20% is 55
275
(-63) / (-9)
(+7)
4 2/3 divided by 1 1/5
3 8/9
-2(2x + 3) = -14
x = 2
A bag of candy has 3 green, 4 blue, 2 purple and 5 red candies. What is the ratio of blue to purple to all? (Remember to simplify!)
2:1:7
Find the whole amount: 0.5% is 24
4800