3 years ago

Three times a number is 4 more than twice the number

Mathematics

1 answer:

Gelneren [198K]3 years ago

5 0

Answer:

3n = 2n + 4

Step-by-step explanation:

That is that as an equation.

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3 years ago

Write an absolute value function that shifted 2<br> units right.<br><br> HELPPPP

iVinArrow [24]

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Step-by-step explanation:

Suppose the original function is $y=\left | x \right |$

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3 years ago

Amy received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.24 per pound. After buying the c

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Answer:

5 pounds

Step-by-step explanation:

Given that:

Amount of gift card = $80

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Amount left in the card = $38.80

To find:

Number of pounds of coffee bought = ?

Solution:

Let the number of pounds of the coffee bought = $x$ pounds

Cost of 1 pound = $8.24

Cost of $x$ pounds = $8.24 $\times x$

Writing the equation as per question statement:

$80 - 8.24x = 38.80\\\Rightarrow 80 - 38.80 = 8.24x\\\Rightarrow 8.24x = 41.2\\\Rightarrow x = \dfrac{41.2}{8.24}\\\Rightarrow \bold{x = 5\ pounds}$

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