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!!!

Question

22-12-2016
Mathematics

contestada

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!!!

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Tsukiyume Tsukiyume · Answer 1 · 2016-12-22T22:57:12+01:00

Tsukiyume Tsukiyume

22-12-2016

Let b = number of books
Let m = number of magazines

($9 * b) + ($4 * m) = total cost

($9 * 3) + ($4 * 2) = $35

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psm22415 psm22415 · Answer 2 · 2022-01-23T10:23:04+01:00

An expression that represents the total amount of money she spends is [tex]\rm The\ total \ amount \ of \ money \ she \ spends= 35[/tex].

Given that

At an online bookstore, Alicia downloads 3 books for $9 and 2 magazines for $4.

We have to determine

Write an expression that represents the total amount of money she spends.

According to the question

At an online bookstore, Alicia downloads 3 books for $9 and 2 magazines for $4.

The cost of 3 books for $9 is,

[tex]\rm = 9 \times 3\\ \\ = 27[/tex]

The cost of 3 books for $9 is $27.

And the cost of 2 magazines for $4 is,

[tex]= 2 \times 4\\ \\ =8[/tex]

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.

[tex]\rm The\ total \ amount \ of \ money \ she \ spends = 8 +27\\ \\ The\ total \ amount \ of \ money \ she \ spends= 35[/tex]

Hence, an expression that represents the total amount of money she spends is [tex]\rm The\ total \ amount \ of \ money \ she \ spends= 35[/tex].

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