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2 years ago

12

You have been asked to cut a 1.5m roll of bubble wrap into 30 cm lengths, which are used to wrap CDs before posting to clients.

How many pieces of bubble wrap will you end up with?
a. 3
b. 4
c. 5
d. 6

1 answer:

dlinn [17]2 years ago

8 0

Answer:

c. 5

Step-by-step explanation:

1.5m = 1.5*100 cm = 150 cm

Divide 150 cm by 30 cm,

150/30 = 5

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3 years ago

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3 years ago

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3 years ago

7 freshmen, 9 sophomores, 8 juniors, and 8 seniors are eligible to be on a committee.

Setler79 [48]

Answer:

i)32C16

ii)1185408

<em><u>Explanation</u></em><em><u>:</u></em>

i)Total number of selected/eligible is 7+9+8+8=32

Total ways of selecting dance committee of 16 is

<em><u>3</u></em><em><u>2</u></em><em><u>C</u></em><em><u>1</u></em><em><u>6</u></em>

ii)Total ways of selecting 3 seniors from 8 is 8C3

and Total ways of selecting 6 juniors from 8 is 8C6

ways of selecting 2 sopho from 9 is 9C2

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8C3×8C6×9C2×7C5

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3 years ago