Show:
Ratios
Unit Rate/Unit Cost
Solve Proportion
Direct Proportion
Proportion by Parts
100

Simplify 

10:15 

Answer

2:3 

100

4 apples cost $8. Unit rate?

Answer: 

$2 per apple

100

Solve: 

2/3 = x/9

Answer:

x = 6

100

Is it proportional?
2 → $6
4 → $12

Answer:

Yes

100

Ratio = 2 : 3

Total = 20
 

Answer:

8 and 12

200

6 Cats to 9 Dogs (Simplified Answer please)

Answer

2:3

200

12 miles in 3 hours. Unit rate?

Answer: 

4 mph

200

Solve: 

4/5 = x/20

Answer:

x = 16

200

Is it proportional?
3 → 9
6 → 20

Answer:


NO

200

Ratio = 1 : 4

Total = 25

Answer:

5 and 20

300


Simplify

18 : 24

Answer:

3:4

300

5 notebooks cost $15. Unit rate?

Answer

$3 Each

300

Solve: 

3/x = 1/4

Answer:

x = 12

300

Find unit rate:
5 hours = $25

Answer:

$5.00 per hour

300

Ratio = 3 : 5

Total = 40 

Answer:

15 and 25

400

Write as a ratio: 20 boys to 5 girls (simplified answer)

Answer:

4:1

400

20 miles in 4 hours. 

What's the unit rate?

Answer:

5mph

400

Solve: 6/8 = x/16

Answer:

x = 12

400

Is it proportional?
4 → 8
8 → 16
12 → 25

Answer:

No

400


Ratio = 4 : 6

Total = 50

Answer:

20 and 30

500

Write as a ratio: 

25:35 (Simplified)

Answer:

5:7

500

15 items cost $45. Unit rate?

Answer:

$3 each

500

Solve: 5/6 = x/30

Answer: 

x = 20

500

Find cost for 6 hours if 1 hour = $7
 

Answer:$42

500

Ratio = 5 : 7

Total = 60

Answer:

25 and 30