Greg is 10 years older than his brother gabe. He is also 3 times as old as gabe. How old is Greg?

Mathematics

1 answer:

Mashcka [7]3 years ago

5 0

Answer: 30 i think 10x3=30

Step-by-step explanation:

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Solve the equation 18=-5(4x+3)+21x

AlexFokin [52]

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1. The top 1/8 of the runners advance to the finals for the track and field competition. What is the decimal value of the number

Scorpion4ik [409]

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Firlakuza [10]

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Patricia and Joe Payne are divorced. The divorce settlement stipulated that Joe pay $485 a month for their daughter Suzanne unti

zhuklara [117]

$\bf \qquad \qquad \textit{Future Value of an ordinary annuity}
\\\\
A=pymnt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]$

$\bf \begin{cases}
A=
\begin{array}{llll}
\textit{original amount}\\
\textit{already compounded}
\end{array} &
\begin{array}{llll}

\end{array}\\
pymnt=\textit{periodic payments}\to &
\begin{array}{llll}
485\cdot 12\\
\underline{5280}
\end{array}\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{a year, thus once}
\end{array}\to &1\\

t=years\to &4
\end{cases}
\\\\\\
$

$\bf A=5280\left[ \cfrac{\left( 1+\frac{0.06}{1} \right)^{1\cdot 4}-1}{\frac{0.06}{1}} \right]$

Joe is making $485 payments monthly, but the amount gets interest on a yearly basis, not monthly, so the amount that yields interest is 485*12

also, keep in mind, we're assuming is compound interest, as opposed to simple interest

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3 years ago

2:5=_:10=_:15=_:20=_:25= 12:_

ivolga24 [154]

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Step-by-step explanation:

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