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densk [106]
3 years ago
7

Arjay, Dorothy, Melissa, and Gray live in the same city. Arjay and Dorothy live 2 miles from each other. Dorothy and Melissa liv

e 5 miles from each other. Melissa and Gray live 3 miles from each other. Arjay and Gray live 10 miles from each other. How far do Dorothy and Gray live from each other?
Mathematics
1 answer:
GarryVolchara [31]3 years ago
5 0
Dorothy and Gray live 8 miles from each other.
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On Sunday, 370 people bought tickets to the county fair. Tickets cost $7 for adults and $3 for children. The total revenue from
STALIN [3.7K]
Number of child tickets: x
Number of adult tickets: y

1) x+y=370
2) 3x+7y=1750

Using the method of substitution
a) Isolating y in the first equation:
1) x+y=370→x+y-x=370-x→y=370-x

b) Replacing y=370-x in the second equation:
2) 3x+7y=1750→3x+7(370-x)=1750

c) Solving for x: Distributive property:
3x+7(370)-7x=1750
3x+2590-7x=1750

Adding similar terms:
-4x+2590=1750

-4x+2590-2590=1750-2590
-4x=-840

Dividing both sides of the equation by -4:
-4x/(-4)=-840/(-4)
x=210

Replacing x=210 in the first equation:
1) y=370-x→y=370-210→y=160

Answer:
The number of child tickets was 210 and
the number of adult tickets was 160
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3 years ago
George works in an office as a cleaner he earns a total of $25 for five hours of cleaning later that year he earned $30 for six
Maru [420]

Answer:

5 $ per hour

Step-by-step explanation:

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Nadusha1986 [10]

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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