Ratio
Three different ways to write ratios using the letters A and B.
A to B, A:B, A/B
10% of 300 is
30
1 4/5 + 3 2/10
5
2.04 + 1.99
4.03
Solve for x
3x - 5 = 4
x = 3
There are 13 girls in the class and 15 boys. The ratio of girls and boys is...
13 to 15, 13:15, 13/15
50 of 200 is how many percent
25%
2 2/3 - 5/6
1 5/6
5.2 - 1.335
3.865
Solve.
3 - 8 =
-5
Is this equal and why? 2/5 = 8/20
Yes, it is multiplying by 4 on both the numerator and denominator.
20% of 240 is
48
7/8 x 3/4
21/32
1.003 x 5.08
5.09524
Solve for c
-7 + c = 8
c = 15
Use your knowledge of multiplication and/or division to identify the ratio that is not equal in this set of numbers. 3/5 = 6/10 = 8/15 = 12/20
12/20
60 is 40% of what?
150
3/10 divided by 7/8
12/35
2.55 / 0.5
5.1
Write this equation in another way and solve.
14 - 6 =
-6 + 14 =8
14 - 6 = 8
Cross multiply the ratio to find if they are equal. 3/4 = 75/100
Sarah successfully downloaded 8 out of the 12 songs she had selected to her MP3 player. What percent of the songs did she download?
a. 12 - 8 = 4%
b. 8 divided by 12 x 100 = 66.66%
c. 12 x 8 = 96%
d. 12 divided by 8 x 100 = 150%
b. 8 divided by 12 x 100 = 66.66%
2/5 divided by 4/5
1/2
88.44 / 0.24
368.5
Solve.
-64/8 =
-8