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velikii [3]
4 years ago
11

Ma ktoś zadania od matematyki klasa 6 matematyka z kluczem część 2 ?? Podaję strony. 45,46,56,62,63 i 64 . Wszystkie zadania z t

ych stron
Mathematics
1 answer:
Anuta_ua [19.1K]4 years ago
6 0

Answer: kluczem część 3

Step-by-step explanation:

zadania z tych stron 4

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One month Ravi rented4 movies and8video games for a total of $57 The next month he rented2 movies and3 video games for a total o
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Given the question in the question tab, the following are the solution steps to get the rental cost for each movie and each video game.

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\begin{gathered} 4m+8v=57----(1) \\ 2m+3v=23----(2) \\ \text{ multiply equation 1 by 2 and equation 2 by }4 \\ 8m+16v=114----(3) \\ 8m+12v=92----(4) \\ \text{subtract equation (4) from equation (3)} \\ 4v=22 \\ v=\frac{22}{4}=5.5 \\ \text{Substitute 5.5 for v in equation 1 to get the value of m} \\ 4m+8v=57 \\ 4m+8(5.5)=57 \\ 4m+44=57 \\ 4m=57-44=13 \\ m=\frac{13}{4}=3.25 \\ m=\text{\$}3.25,v=\text{\$}5.50 \end{gathered}

Rental cost for each movies is $3.25

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