At an online bookstore Alicia downloads 3 books for $9 and 2 magazines for $4. Write an expression that represents the total amount of money she spends. Please help!!!
Let b = number of books
Let m = number of magazines
($9 * b) + ($4 m) = total cost
($9 * 3) + ($4 2) = $35
An expression that represents the total amount of money she spends is \(\rm The\ total \ amount \ of \ money \ she \ spends= 35\).
At an online bookstore, Alicia downloads 3 books for $9 and 2 magazines for $4.
Write an expression that represents the total amount of money she spends.
At an online bookstore, Alicia downloads 3 books for $9 and 2 magazines for $4.
The cost of 3 books for $9 is,
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The cost of 3 books for $9 is $27.
And the cost of 2 magazines for $4 is,
\(= 2 \times 4\\ \\ =8\)
The cost of 2 magazines for $4 is $8.
Therefore,
An expression that represents the total amount of money she spends is,
The total amount of money she spends = The cost of 3 books for $9 + The cost of 2 magazines for $4.
\(\rm The\ total \ amount \ of \ money \ she \ spends = 8 +27\\ \\ The\ total \ amount \ of \ money \ she \ spends= 35\)
Hence, an expression that represents the total amount of money she spends is \(\rm The\ total \ amount \ of \ money \ she \ spends= 35\).
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