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Sagot :
From the information available, some magazines (m) and some notepads (n) were bought.
If you bought a magazine for $7, then mathematically that would be;
[tex]\begin{gathered} 1\times m=7 \\ m=7 \end{gathered}[/tex]Also, if you bought some notepads for $5 each, that would be expressed as;
[tex]5\times n=5n[/tex]This represents 5 dollars times every given number of notepads, hence we would have;
[tex]\begin{gathered} m+5n=27 \\ \end{gathered}[/tex]Note that one magazine was bought which is why we have m = 7. We shall now substitute for thw value of m;
[tex]\begin{gathered} m+5n=27 \\ 7+5n=27 \\ \text{Subtract 7 from both sides;} \\ 7-7+5n=27-7 \\ 5n=20 \\ \text{Divide both sides by 5;} \\ \frac{5n}{5}=\frac{20}{5} \\ n=4 \end{gathered}[/tex]The value of n = 4
ANSWER:
This means you bought 4 notepads
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