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3 years ago

Answer this question for 20 points.

Mathematics

2 answers:

kumpel [21]3 years ago

5 0

Answer:

I believe the answer would be the option that says: "An elephant walks with a speed of 15 steps a minute. How long was the elephant walking if she walked without stopping for 480 steps?"

choli [55]3 years ago

5 0

Answer:

C. An elephant walks with a speed of 15 steps a minute. How long was the elephant walking if she walked without stopping for 480 steps?

Step-by-step explanation:

C yields the equation of $15x=480$ , because 15 stands for steps/minute, 480 for steps, so $x$ must stand for minutes.

For your entertainment:

A gives $x = 480 \cdot 15$ .

B gives $x=32-15$ .

D gives $x=480+15$ .

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3 years ago

kialani sells orchid and lily plants at the farmers' market. Each plant sells for a different price. 8 orchid and 12 lily plants

Aleksandr [31]

Answer: Kialani is being charge for $ 15.5 for the lily plant.

Step-by-step explanation: Let us assume Price of each orchid plant = $x.

And price for each lily plant = $y.

"8 orchid and 12 lily plants sell for $362".

Therefore,

8x +12y = 362 -------------------(1).

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Therefore,

12x+8y = 388 -------------------(2)

Now, let us solve the system of equations by elimination method.

According to elimination method, we need to make the coefficient of a variable same for both equations and subtract/add them to eliminate.

So, multiplying first equation by 12 and multiplying second equation by -8 and adding, we get

-12*(8x +12y = 362) => 96x +144y =4344

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________________

80y = 1240

Dividing both sides by 80, we get

80y/80 = 1240/80

y = 15.5.

<h3>Therefore, Kialani is being charge for $ 15.5 for the lily plant.</h3>

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