$\frac{4}{20}=\frac{50}{x}$

$\frac{4}{20}=\frac{x}{50}$

$\frac{4}{50}=\frac{x}{50}$

$\frac{4}{20}=\frac{x}{20}$

6:7

7:10

9:10

6 cats, 12 dogs

12 cats, 18 dogs

18 cats, 12 dogs

87.5%

50%

75%

80%

48

32

60

36

24

75

20

10

60

125

$\frac{3}{4}$

$\frac{3}{8}$

$\frac{5}{8}$

$\frac{1}{4}$

0.375

0.30

0.625

0.70

Multiply 3 by $1.75

Add $2.25, $3.25, $0.99, and $1.75 together

Subtract the total from $50

Add 2, 1, 2, and 3 together

$1.50

$3.00

$4.50

$6.00

11.06, 11.43, 11.4, 11.6, 11.76

11.6, 11.4, 11.43, 11.06, 11.76

11.76, 11.6, 11.43, 11.4, 11.06

11.06, 11.4, 11.43, 11.6, 11.76

$16.89

$23.00

$20.61

$30.25

$1\ \frac{3}{6}-\frac{2}{6}=1\ \frac{1}{6}$

$1\ \frac{2}{6}-\frac{2}{6}=1$

$\frac{3}{6}-\frac{2}{6}=\frac{1}{6}$

$1\ \frac{2}{6}-\frac{3}{6}=\frac{5}{6}$

(6,5)

(4,4)

(5,2)

(3,3)

$9\cdot10$

$2\cdot3^2\cdot5$

$2\cdot3\cdot3\cdot5$

$\frac{95}{1}$

$\frac{9}{5}$

$\frac{19}{2}$

$\frac{2}{19}$

There are 40 people between the ages of 31-40.

The same number of people are in the 21-30 and 31-40 age groups.

Fewer people in the 1-10 age group than the 11-20.

1

$1\ \frac{1}{4}$

$\frac{1}{2}$

$90+15+8$

$90-15-8$

$90+15-8$

V=15h

V=2h

$V=\frac{h}{2}$

$V=\frac{30}{h}$

Angles 1 and 2

Angles 5 and 6

Angles 1 and 3

Angles 2 and 4

$\frac{3}{5},\ \frac{2}{3},\ \frac{1}{2},\ \frac{3}{4}$

$\frac{1}{2},\ \frac{3}{5},\ \frac{2}{3},\ \frac{3}{4}$

$\frac{3}{4},\ \frac{2}{3},\ \frac{3}{5},\ \frac{1}{2}$