3 years ago

What is n equal to in the equation? 4(2n+5)=60

Mathematics

2 answers:

zzz [600]3 years ago

4 0

Answer:

n = 5

Step-by-step explanation:

First, you'd want to expand the entire equation to solve it.

4 (2n + 5) = 60

8n + 20 = 60

8n = 40

n = 5

I hope this helped!

murzikaleks [220]3 years ago

4 0

Answer:

n = 5

Step-by-step explanation:

4(2n+5)=60

2n+5=15 Divide both sides by 4

2n = 10 Subtract 5 from both sides

n = 5 Simplify and divide by 2 to isolate the variable

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3 years ago

Thaddeus shakes his head as he pays $12.37 to the clerk for lunch. Complaining to a friend, Thaddeus says, “Do you realize that

atroni [7]

his income must be "x" which is the 100%, and we would know that 0.2% of that is 12.37.

$\begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 12.37&0.2 \end{array}\implies \cfrac{x}{12.37}=\cfrac{100}{0.2}\implies 0.2x=1237 \\\\\\ x=\cfrac{1237}{0.2}\implies x=61.85$

his income must be "x" which is the 100%, and we would know that 2% of that is 12.37.

$\begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 12.37&2 \end{array}\implies \cfrac{x}{12.37}=\cfrac{100}{2}\implies 2x=1237 \\\\\\ x=\cfrac{1237}{2}\implies x=618.5$