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2 years ago

12

mr. porter owns a house when he first bought the house it was valued at d dollars since then all of the home values in his neigh

borhood have increased by 20% write an expression that can be used to find the value of any of the homes in his neighborhood

1 answer:

Alex17521 [72]2 years ago

5 0

D + 20% of d = Current Value

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2 years ago

If 111 people attend a concert and tickets for adults cost $4 while tickets for children cost $3.25 and total receipts for the c

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Answer:

57 children

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Step-by-step explanation:

Let's call x the number of children admitted and call z the number of adults admitted.

Then we know that:

$x + z = 111$

We also know that:

$3.25x + 4z = 401.25$

We want to find the value of x and z. Then we solve the system of equations:

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$-4x - 4z = -444$

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$-0.75x = -42.75$

$x =\frac{-42.75}{-0.75}\\\\x=57$

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$z = 54$

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2 years ago

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swat32

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n200080 [17]

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2 years ago

Please help with 2 Math questions. I dont really understand

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3 years ago