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melisa1 [442]
3 years ago
8

PLEASE ANSWERRRRRRRRRRRRRRR

Mathematics
1 answer:
hoa [83]3 years ago
5 0

Let T,S be the number of days spent at Tahoe and San Francisco, respectively.

We don't know the values of T and S yet, but we know that the holiday lasted 9 days:

T+S=9

We also know that each day spent in Tahoe costed 350 and each day spent in San Francisco costed 475. So, the total cost of the holiday is the sum of the number of days muliplied by their cost:

350T+475S=3650

If we put the two equations together, we have the system

\begin{cases}T+S=9\\350T+475S=3650\end{cases}

Which yields

S=4,\quad T=5

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3 years ago
How much is the interest on my loan?
kirill [66]

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_____________

Step-by-step explanation:

_____________

Take note of the formula:

" Ⅰ = Prt " ;

→ that is:

_____________

→   " Ⅰ = P * r * t " ;

_____________

In which:  

_____________

 " Ⅰ = the interest " ;

 " P = the Principal amount of money " ;

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 " t = time " (in years) ;

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 r = 0.08 ;  

{<u>Note of interest</u>:  That is " 8% " ; since "8 % "  = "(8/100)" ;

                                                                          = "(8 ÷ 100)"

                                                                          = " 0.08 ".}.

 t = 2 ; {that would represent:  " 2 (two) years".}.

_____________

We are to solve for "Ⅰ" ; the amount of "Ⅰnterest" :

→ To solve for "Ⅰ " ; we plug in our given values; and calculate:

_____________

  →  Ⅰ = P * r * t ;

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        = 64 .

_____________

  →  Ⅰ = $ 64.00 .

_____________

Hope this is helpful to you!

Best wishes!

_____________

4 0
3 years ago
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