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BELLRINGER (DAY 71)

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- 6/9.6 = 9/14.4
- 2.2/4.4 = 5.5/11
- 3.6/3 = 17.28/14.4
- 108 times
- 9 min
- 7.5 g
- 70 CDs
- 30,000 females
- 7.5 miles
- Yes
- No
- No
- Yes
- Yes
- Varied
- Yes, because it’s 7 times larger
- About 44.8 cm

- False
- True
- 15/4 = 9/2(6/5)
- (13)-3/16 =5/8
- 3/4 = (9)/(9) +3
- 2/(-4) = 5/(-4)-6
- 9n = -54; -6
- n/2.5 = 7.2; 18
- 2/9 = 6/27
- 49/28 = 7/4
- 3/11 = 30/110
- 21/56 = 3/8
- 8.68 ft2
- 1.072 m2
- 78.288 in2
- A
- 10 students

- 70
- 5/2 = 25/10
- 2/8 = 3/12
- 5/20 = 3/12
- 8/6 = 12/9
- Cross-multiplied wrong; 4/9=8/18
- A
- Cross-multiply; algebra; equivalent ratios
- 9/2 = 36/8
- 21/24 = 7/8
- 30/6 = 35/7
- 3/21 = 4/28
- 4/8 = 14/28
- 6.8/17 = 2/5
- 7/4 = 3.5/2
- 7/10 = 5.6/8
- 20/6.25 = 16/5

5

y x

1 & 2

millimeter

36%

9/25

8 dozen

You have ever spent Christmas on vacation.

You know what one-half plus two and one-half is

You get up before 7am on Christmas morning

You know what twenty-three and six hundred seventy-four thousandths is rounded to nearest tenth

You have ever opened your presents before Christmas and wrapped ‘em back up again so nobody would notice

You know what x is in the equation x plus 6 equals fifteen.

percent

A __________ is a ratio of a number to 100.

Write the following as ratios:

24% =

45% =

63% =

6/25

9/20

63/100

Make an equivalent fraction/ratio with denominator as 100

For example:

10/25 =

3/20 =

7/10 =

40/100

40%

15/100

15%

70/100

70%

7900

10 1

1200

4 1

630

1

50

1

Convert the % to a fraction and multiply to the base (original number)

For example:

70% of 900

25% of 200

90

1

50

1