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3 years ago

12

A plane traveling from City a to City B travels X miles per hour for total of 4.5 hours that plane takes the same route on the r

eturn traveling 25 miles per hour faster for a total of 4.25 hours what is the total distance the plane travels?

1 answer:

Mkey [24]3 years ago

6 0

Your equation is gonna be
4.5a + 2.5b = 4.25

I forgot how lol but you gotta now solve for A and B.

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The mean breaking strength of yarn used in manufacturing drapery material is required to be at least 100 psi. Past experience ha

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2 years ago

Emily buys a toaster during the sale off for 10% off if ellen pays 36$ what was the original price

LenaWriter [7]

Answer:

100%-10%=90%

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36$+4$=40$

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1 year ago

Andrew is elder to Brian by 2 years. Andrew's father Frank is twiceas old as Andrew, and Brian is twice as old as his sister Sar

babunello [35]

Let "x" represent the age of Brian.

Andrew is elder than Brian by 2 years, we can symbolize his age as "x+2"

Frank is twice as old as Andrew, we can symbolize his age as "2(x+2)"

Sarah has half the age of Brian's, we can symbolize her age as "x/2"

Frank ans Sarah's ages differ by 40 years, we can symbolize this as:

$2(x+2)-\frac{x}{2}=40$

Solve the term is parenthesis

$\begin{gathered} 2x+4-\frac{1}{2}x=40 \\ 2x-\frac{1}{2}x+4=40 \\ \frac{3}{2}x=40-4 \\ \frac{3}{2}x=36 \\ x=24 \end{gathered}$

x=24 years

Andrew's age is

$x+2=24+2=26$

Andrew is 26 years old

3 0

10 months ago

Geoff charges 27$ for 3 hours of swimming lessons

igor_vitrenko [27]

Answer: 27/3=9 which means 9$ per hour

32/4=8 which means 8$ per hour

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2 years ago

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2 years ago

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