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yulyashka [42]
3 years ago
7

Please help this is due tommorrow

Mathematics
1 answer:
irakobra [83]3 years ago
6 0

Answer:

25%

Step-by-step explanation:

there are 4 cards, and the probability that you choose the one with #5 is 25%

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A local drama production sold tickets for a play. Adult tickets sold for $10 each and child tickets sold for $5
Nezavi [6.7K]

Answer:

a) The total cost will therefore be :

$10x + $5y = $1750

(ii) The total number of people will therefore be written as:

x + y = 225

(b) Adult ticket = 125 , children = 100

Step-by-step explanation:

Let x represent the total number of adult and let y represent the total number of children.

The cost of ticket for 1 adult = $10 , therefore:

The cost ticket for x adults = $10x

The cost of ticket for a child = $5 , therefore :

the cost of ticket for y children = $5y

This means that

(a) The total cost will therefore be :

$10x + $5y = $1750

(ii) The total number of people will therefore be written as:

x + y = 225

(b) combining the two equations together , we will have

10x + 5y = 1750 ............................... equation 1

x + y = 225 ....................................... equation 2

solving the resulting linear equations by elimination method, from equation 2, make x the subject of formula, equation 2 then becomes

x = 225 - y ....................... equation 3

substitute x = 225 - y into equation 1 , equation 1 then becomes

10 ( 225 - y ) + 5y = 1750

expanding , we have

2250 - 10y + 5y = 1750

2250 - 5y = 1750

2250 - 1750 = 5y

500 = 5y

divide through by 5

y = 100

substitute y = 100 into equation 3 to find the value of x

x = 225 - 100

x = 125

Therefore : 125 adults ticket were sold and 100 children tickets were sold

(c) check : we will substitute the number of each tickets sold into the equation

10x + 5y = 1750

x = 125 , y = 100

10 ( 125 ) + 5 (100)

1250 + 500

= 1750

Also

x + y = 225

125 + 100 = 225

8 0
3 years ago
Listen Rachel babysat three children for five hours if they were paid $2.50 per hour for each child and divided their earnings e
lina2011 [118]

Answer: Each girl will receive $18.75.

Step-by-step explanation:

Given: Two girls babysat three children for five hours.

Hourly pay for each child = $2.50

Payment for 5 hours per child = 5\times\$2.50=\$12.5

Payment to 3 children for 5 hours = 3\times \$12.5=\$37.5

So, the amount received by each girl  = \dfrac{\text{Payment to 3 children for 5 hours}}{2}

=\dfrac{37.5}{2}=\$18.75

Hence, each girl will receive $18.75.

5 0
2 years ago
A book cost $350 and bed cost $590. With a 13% commission rate, how much money did the sale clerk earn?
kow [346]

Answer:

A.

Step-by-step explanation:

Because I used the Internet.

:)

6 0
3 years ago
Read 2 more answers
How is x = 5 mathematically different from x > 5?​
Ivahew [28]

Answer:

in x>5 x is larger than 5

Step-by-step explanation:

x=5 means x is equal to 5

x>5 means x is greater than 5

7 0
2 years ago
Read 2 more answers
ALGEBRA
dmitriy555 [2]

Answer:

11,7,5,3

Step-by-step explanation:

thats all thank you

7 0
3 years ago
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