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Can someone help me with a few of these questions please

Can someone help me with a few of these questions please-example-1

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Answer:

15x, 35x+75y,
(n)/(7), 5+c

Explanation:

When we have unknown amounts, we use a variable to write a term.

Books cost $6.25 each plus a shipping & handling fee of $8.75 for a total of $15. We use a variable like x to represent how many books we order at $15. So 15x.

We do the same for chairs and sofas. Each chair costs $35 so we write 35x. Each sofa costs $75 so we write 75y. We add together for 35x+75y

We write expressions based on situations or just descriptions. n divided by 7 is
(n)/(7) and 5 more than c is 5+c.

User Paulo Fernando
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