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3 years ago

9

The names Phil,Angelica,Yolanda,Mimi and ed are on slips of papet in a hat A name is drawn without looking What is the probabili

ty of not drawing Ed

1 answer:

Pachacha [2.7K]3 years ago

5 0

You have an 80% chance of not drawing Ed

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135 students attended an assembly at Piper School. The student enrollment at the school is 180. What percentage of the students

soldier1979 [14.2K]

We know that the total number of students is 180, so 180 is the 100 precent of the students, now we can set up a proportion and solve

180/100=135/x

x=135 times 100 over 180
x=75%

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3 years ago

There are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated,filling up full rows of

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I think 11 rows are empty.

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Step-by-step explanation:

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£440 is divided between David, Mark & Henry so that David gets twice as much as Mark, and Mark gets three times as much as H

Lesechka [4]

Mark received £ 132

<em><u>Solution:</u></em>

Given that £440 is divided between David, Mark & Henry

Let "d" be the share of david

Let "m" be the share of mark

Let "h" be the share of henry

Total amount is 440

Therefore,

share of david + share of mark + share of henry = 440

d + m + h = 440 ------- eqn 1

<em><u>David gets twice as much as Mark</u></em>

d = 2m ----- eqn 2

<em><u>Mark gets three times as much as Henry</u></em>

m = 3h

$h = \frac{m}{3}$ ------ eqn 3

<em><u>Substitute eqn 2 and eqn 3 in eqn 1</u></em>

$2m + m + \frac{m}{3} = 440\\\\\frac{6m + 3m + m}{3} = 440\\\\10m = 1320\\\\m = 132$

Thus Mark received £ 132

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3 years ago