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brilliants [131]
3 years ago
9

Roberto rented a truck from the Super Truck Company for 9 hours. There was a rental fee of $50. Allison rented a truck from Truc

king America for 4 hours. She paid a $110 rental fee. Both Roberto and Allison spent the same amount and both companies have the same hourly rental fee. Write and solve an equation to determine the hourly rental fee.
Mathematics
1 answer:
gavmur [86]3 years ago
4 0

Answer:

Hence, the hourly rental fee is \$\: 12.

Step-by-step explanation:

Time for which Roberto rented the truck =9 hours.

Rental fee =\$ \:50

Time for which Allison rented the truck =4 hours.

Rental fee =\$ \:110

Both companies have the same hourly rental fee.

Let the hourly rental fee of both the companies be x.

Both spent the same amount.

So, according to the question,

\Rightarrow 50+9x=110+4x

\Rightarrow 9x-4x=110-50

\Rightarrow 5x=60

\Rightarrow x=\frac{60}{5}

\Rightarrow x=12

Hence, the hourly rental fee is \$\: 12.

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As n = 2, calculate P(X = 0), P(X = 1) and P(X = 2):

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You can set up a ratio of side lengths as follows:
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Setler79 [48]

Answer:

  • \boxed{\sf{x=24}}

Step-by-step explanation:

<u>GIVEN:
</u>

To find the missing number in the proportion, you have to isolate it the term of x from one side of the equation.

\sf{\dfrac{8}{7}=\dfrac{x}{21}  }

First, thing you do is switch sides.

\sf{\dfrac{x}{21}=\dfrac{8}{7}  }

Multiply by 21 from both sides.

\Longrightarrow: \sf{\dfrac{21x}{21}=\dfrac{8*21}{7} }

Solve.

Multiply the numbers from left to right.

Use the order of operations.

PEMDAS stands for:

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\Longrightarrow: \sf{\dfrac{8*21}{7}=\dfrac{168}{7}=24 }

\Longrightarrow: \boxed{\sf{x=24}}

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I hope this helps. Let me know if you have any questions.

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