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A ÿ@ is a statemenÿ of how two numbers compare. Ratios are used to compare the size
of numbers or the rate of something. A ®Hit ÿ÷ is a ratio with a denominator of I.
3
I
3to [2 ÿ Iÿ = Lt
Ratios
[25:30 ÿ__25 =
5
30 6
Rate
12 cookies
$6
2 cookies
ÿ
$[
J
Write each ratio as a fraction. Write the answer in simplest form.
I.
66 to uÿo
2.
130to 112
3. I10:112
Lf. 65:35
5. 21 to 8Lf
6. 66:166
7. 30 to 323
8. 197to 17
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q
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Find the unit rate. Round to the nearest hundredth.
I
9. 294 miles on I0 gallons
I. H.5 inches of rain in 2 months
I O. $0.8ÿ for 12 ounces
12. uro0 meters in 2ÿ.5 seconds
13. $15 for a half dozen roses
I hL $80 for 8 movie tickets
15. I0 limes for $2
16. $2.99 for 6 cans of lemonade
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26
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© Carson-Dellosa ÿ CD- I OUr6
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A ÿti© shows how two numbers compare. It can use the word to, a colon (:), or look like
fraction. A ÿt ÿ€ÿe is a ratio with a denominator of I.
rite each ratio as a fraction. Write the answer in simplest form.
20 to 70
121:108
3ÿ- out of 82
21 to uf5
2. i ff to ÿ.3
. 51:102
6. 112:22Lf
8.' ÿ0:231
ind the unit rate. Round to the nearest hundredth.
L 20 people in ÿ cars
82 hours for 18 projects
3. $2.32 for 16 ounces
15. 1200 cars in 5 dealerships
10. 186 miles in 8 hours
12. $950 earned in 5 weeks
I ÿ. 578 miles in 9 hours
16. 132 miles On ÿ gallons
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© Carson-Dellosa ÿ, CD- I 0Lf631
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Write each ratio as o ÿraction. Write the answer in simplest form.
4
3. 18aural30
5. 2:10
4. 14aural56
6. 14:21
8. 55:33
[
!i:
9. 25 out of 65
I0. lOOoutof 170
i!¸
!i:,
Find the unit rate. Round to the nearest hundredth.
I I. 210.8 miles on 12.4 gallons
13. $10.20 for 15 pounds
15. $ 1.50 for 25 sticks of gum
17. $ff.49 for 16 ounces
19. $425 for 5 days Of work
12. 2.5 inches of rain in 10 hours
14. $62.50 for 25 tickets
16. $3.00 for 5 muffins
18. 240 miles on 8 gallons
20. 90 miles in 2 hours
@ Carson-Dellosa o CE
28